In a population of cattle, the average body fat percentage is 10.5%. You select parents with an average body weight percentage of 20.8%. The offspring they produce have an average body weight percentage of 17.6%. Based on these data, what is the narrow-sense heritability of this trait
Heritability in the narrow sense -h²- refers to the proportion of the phenotypic variability that is influenced by genetic factors. In the exposed example, the narrow-sense heritability of this trait is h² = 0.689 ≅ 0.7
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Before answering the question, let us first review a few concepts.
The selection differential, SD, is calculated by getting the difference between the mean value of the desired trait in the population (X₀) and the mean value of the same trait expressed by parents, (Xs). So,SD = Xs - X₀
Heritability in the narrow sense -h²- is the measure of the genetic component to which additive genetic variance contributes.It referes to the proportion of the phenotypic variability that is influenced by genetic factors.
The heritability might be used to determine how the population will respond to the selection done, R.
h² = R/SD
The response to selection (R) refers to the metric value gained from the cross between the selected parents. R can be calculated by multiplying the heritability h² with the selection differential, SD.R = h²SD
R also equals the difference between the new generation phenotypic value (X₁) and the original population phenotypic value (X₀),
R = X₁ - X₀
Now that we know these concepts and how to calculate them, we can solve the proposed problem.
Available data:
Population average body fat ⇒ 10.5% ⇒ X₀ Selected parents average body weight ⇒ 20.8% ⇒ XsOffspring average body weight ⇒ 17.6% ⇒ X₁We ned to get the narrow-sense heritability of this trait, h².
h² = R/SD
R = X₁ - X₀ = 17.6% - 10.5% = 7.1%SD = Xs - X₀ = 20.8% - 10.5% = 10.3%
h² = R/SD = 7.1% / 10.3% = 0.689 ≅ 0.7
The narrow-sense heritability of this trait is h² = 0.689 ≅ 0.7
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Answer this question if you know the answer
Do you believe in the sanctity of life? Why/ why not?
Answer:
Yes
Explanation:
Part of religion
Why would cladistics classify birds and reptiles in a single class
Answer:
Vertebrae
Explanation:
both birds and reptiles have a backbone or a vertabrae. therefore they are Vertebrates.
Hope this helped!
Welcome back from your expedition into the cells! Let's see if you paid attention to the molecules that are involved in the smooth muscle contraction. Which neurotransmitter is released from the parasympathetic ganglion?
Acetylcholine is referred to the neurotransmitter that is released from the
parasympathetic ganglion.
Acetylcholine is the main neurotransmitter found in the parasympathetic
nervous system. Its effects are either excitatory or inhibitory. It is a chemical
which is released by neurons to aid transmission of signals to other cells of
the body.
It helps in the contraction of the muscles, peristaltic movement of the
stomach, as a vasodilator etc.
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how is biomimicry is used in companies help
Answer:
Looking to nature for inspiration can help individual designers in multiple ways. Designers are innately curious, and biomimicry provides the opportunity to learn about life's water, energy and material-use strategies. This perspective broadens the design space to bring new solutions to the table.
Explanation:
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physiology Of Digestion Of Earthworm In Simple Word Of Mouth
Answer:
They do not have teeth. A liplike extension over the mouth helps direct food into the mouth, where the muscular pharynx (throat) grabs it, coats it with saliva and pushes it down the esophagus into the crop, where it is stored before moving on to the gizzard.
Explanation:
PLEASE HELP I LITERALLY BEG!!!!!!
What’s the difference between transformed and untransformed bacteria
Answer:
DNA is accidentally moved from one bacterium to another by a virus
Explanation:In transformation, a bacterium takes up a piece of DNA floating in its environment. In transduction, DNA is accidentally moved from one bacterium to another by a virus. In conjugation, DNA is transferred between bacteria through a tube between cells.
Are there any differences between what we need as humans and what animals need? If so, what?
Answer:
Animal society is mainly based on instincts or reflex behavior, whereas human society is based on reason or rational behavior. There are no rights and duties in animal society. Every animal lives upon his physical powers whereas human society has a wonderful system of law and order.
Animals usually live in the wild where they have to find there own food and hunt for it, where we as humans spend money on our food and it is all at the grocery store. There are more differences but this is one main difference.
please help with 13
Answer:
where is the video ? please show
write features of animal cell
Answer:
Cell membrane Controls the movement of substances into and out of the cell
Cytoplasm Jelly-like substance, where chemical reactions happen
Nucleus Carries genetic information and controls what happens inside the cell
Mitochondria Where most respiration reactions happen
Answer:
Cell membrane Controls the movement of substances into and out of the cell
Cytoplasm Jelly-like substance, where chemical reactions happen
Nucleus Carries genetic information and controls what happens inside the cell
Mitochondria Where most respiration reactions happen
Explanation:
How does meiosis most benefit a species?
It decreases the number of chromosomes.
It increases genetic variation.
It increases the number of chromosomes.
It increases mutations.
Answer:
It increases genetic variation.
Explanation:
Meiosis does not decrease the number of chromosomes nor increase the number of them, it merely splits them.
While it could increase mutations, this might not necesarily be a good thing.
However, it does increase genetic variation, especially during the process where crossing over occurs. Increased genetic variation is beneficial for the population for many reasons like higher resistance to certain diseases. Increasing genetic variation also makes a species look unique from other members of the species.
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Which option distinguishes the outcome if the Farm Bill were to end subsidies to private growers, but continue to provide food stamp funding?
Wholesale commodities prices would increase and create a devaluing of food stamps.
Food stamp recipients would replace subsidies by spending more money on agriculture.
Farm prices would drop due to a higher supply of unsold goods but no demand change.
Aid would shift and all farmers receiving subsidies would receive food stamps instead
Answer:
Whole sale commodities price would increase and create a devaluing of food stamps.
Explanation:
If the farm bill were to end then the feature which was to be given to farmers would lost.It will decrease the outcome of commodities to market.Which will raise the price of them.Explanation:
Which option distinguishes the outcome if the Farm Bill were to end subsidies to private growers, but continue to provide food stamp funding?
↪. Wholesale commodities prices would increase and create a devaluing of food stamps.
Which one of the following provides natural passive immunity colostrums milk powder water with sugar vaccination
Answer:colostrums
Explanation:colostrums contains antibodies, last for a period of time in the body.
Which structure allows
gases and nutrients in
and out of the cell?
A. mitochondria
B. cytoplasm
C. nucleus
D. cell membrane
The cell membrane allows gases and nutrients in and out of the cell.
The correct answer is option D, the cell membrane. The cell membrane, also known as the plasma membrane, is a vital component of all cells. It serves as a selectively permeable barrier that separates the internal environment of the cell from its external surroundings. One of its crucial functions is to regulate the movement of substances in and out of the cell, including gases and nutrients.
The cell membrane is made up of a phospholipid bilayer embedded with various proteins. These proteins play a role in facilitating the transport of molecules across the membrane. There are two main types of transport across the cell membrane:
Passive Transport: This includes processes like diffusion and facilitated diffusion, where substances move from an area of higher concentration to an area of lower concentration. Small gases like oxygen and carbon dioxide can passively diffuse through the lipid bilayer of the membrane.
Active Transport: This involves the use of energy to move substances against their concentration gradient, from an area of lower concentration to an area of higher concentration. Nutrients and other molecules can be actively transported using protein pumps.
In both cases, the cell membrane is responsible for controlling what enters and exits the cell, maintaining an appropriate internal environment for cellular functions. This selective permeability ensures that essential gases like oxygen and nutrients can enter the cell while waste products can exit. Thus, the cell membrane is a crucial structure that enables the exchange of gases and nutrients required for cellular metabolism and survival.
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Three plants are grown in the same environmental conditions with equal sunlight, water, and space to grow. One plant grew to have a purple flower while the other two grew white flowers. What is the most likely conclusion that can be made for the change in flower color?(1 point)
Genetic factors caused environmental changes that caused the differences in flower color.
Genetic factors caused the differences in flower color.
Environmental factors caused a genetic mutation that caused the differences in flower color.
Environmental conditions caused the differences in flower color.
Answer:
The second answer choice.
Explanation:
Genetic variation must be the answer as the plants were grown in the same conditions. Therefore, the only source of variability might be genetic variation.
The first choice is not the answer because Genetic factors cannot cause the environment around the plant to change.
The third choice is not the answer because the Environmental factors are the same, and if they were really to cause a mutation, all three plants would mutate.
The fourth is the same reason as the third: if environemnt conditions affected the flower, all three plants would change color since they were all grown in the same environemnt, not just the one we see in the results.
Some significant floricultural species can now produce flowers with attractive and unique bloom hues thanks to recent advancements in genetic alteration techniques. Thus, option B is correct.
What are the genetic factor in developing organism?Flower color is governed by two primary gene families. Genes that code for the protein machinery needed to create pigment molecules are part of one category.
The second group includes genes that result in the production of regulatory proteins. The location, quantity, and kind of machinery that makes up the pigments are determined by regulatory proteins.
Flowers have genes that determine how they look, just like humans. These plants “give birth” to pigments, which result in a rainbow of hues.
The carotenoid substance that gives tomatoes and carrots their color also gives some flowers their yellow, red, or orange hue.
Therefore, Genetic factors caused the differences in flower color.
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When an employee remembers the first manager who came and spoke to them on their first day of work, the event is most likely to be stored in the employee's:
Episodic Memory!
Episodic memory includes personal information on what happened and where.
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A significant amount of legislation passed in the 20th century sought to reduce the risk of future economic events like the liquidity crisis
experienced by banks during the Panic of 1907. Which of the following policies would increase the risk of a liquidity crisis?
The policy which would would increase the risk of a liquidity crisis is Banks
being required to store a smaller percentage of depositor funds in their
vaults.
Liquidity occurs when there is an increase in demand and decrease in
supply. Banks usually have a large percentage of depositor funds stored in
their vault to prevent these occurrence.
In situations whereby they store a smaller percentage of depositor funds in
their vaults , it will lead to a liquidity crisis as they won't be able to cater for
the immediate needs of the depositors.
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Which types of cells replicate using meiosis?
What are the four types of physical hazards?
Select the 4 answer options that apply.
Extreme Temperature
Radiation
Vibration
Noise
Pathogens
Corrosive substances
Answer:
1st 4 are the physcal hazards
Explanation:
a)
b)
c)
d)
The four types of physical hazards are Extreme Temperature, Radiation, Vibration and Noise.
What are Physical Hazards?A physical hazard is an agent, factor or circumstance that can cause harm with contact. They can be classified as type of occupational hazard or environmental hazard.
Physical hazards include ergonomic hazards, radiation, heat and cold stress, vibration hazards, and noise hazards.
Whereas, Corrosive substances comes into chemical hazards and Pathogens can be classified as biological hazards.
Thus, the Extreme Temperature, Radiation, Vibration and Noise are the best four options as the type of physical hazards.
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Why are some atmospheric components like Corbin dioxide methane called greenhouse gasses
Draw a diagram of Escherichia coli bacteria
Explanation:
Is this okay
I hope it helps you
What did Alfred Wegener try to prove with fossil evidence?
Answer:
Earth's continents were once connected in a single supercontinent.
Explanation:
v
The portion of the membrane system in eukaryotic cells that is responsible for the making lipids and breaking down toxic substances in the
Answer:
The endoplasmic reticulum
Explanation:
What is a similarity between phases of moon wi2 and wk 4
what is meant by chewing the cub?
informalif you chew the cud, you spend a long time thinking or talking about something. Synonyms and related words. To think carefully or a lot about things.
What happens to nutrient macromolecules in an animal's digestive tract?
A) The digestive breakdown of macromolecules determines the monomers that are
immediately needed and therefore produced.
B) Proteins and nucleic acids are digested into monomers before absorption; energy-storage
macromolecules (starch and fat) are absorbed whole.
C) They are absorbed whole and are then broken down into monomers within cells that
ultimately use them.
D) Nutrient macromolecules are digested into monomers before absorptio
3.33 Points
Answer:
D
Explanation:
Nutrient macromolecules are digested into monomers before absorption. a tube-shaped compartment for the transport, digestion, and absorption of food.
Traditional antibiotics build immunity by exposing the memory cells of our body to inactive versions of viruses or bacteria.
True
False
Conventional antibiotics increase immunity by exposing our bodies' memory cells to dormant viruses or bacteria. So, the aforementioned is True.
What are Antibiotics?A particular class of antimicrobial agent that works against bacteria is an antibiotic. Antibiotic drugs are frequently used for the treatment and control of bacterial infections because they are the most effective type of effective antibacterial for doing so. Bacteria may be killed or have their growth suppressed.
Several types of bacterial infections are treated or prevented with the help of antibiotics. They either eradicate bacteria or stop them from proliferating and spreading.
Viral infections cannot be treated with antibiotics. This covers the typical cold, the flu, the majority of coughs, and sore throats. By introducing our bodies' immunological memory to latent viruses or bacteria, traditional antibiotics boost immunity.
Therefore, the given statement is True.
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Which statement is true about DNA?It contains the sugar ribose
It contains a base with nitrogen.
Its monomers contain twice as many phosphate functional groups as RNA's monomers
It is a single-stranded macromolecule.
Different finch species have beaks of different shapes and sizes. What is the source of these different phenotypes
True or false, as density of ocean water increases, The speed of the ocean currents decreases
Answer: Very True
Explanation:
