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Taya2010 [7]
3 years ago
10

Can some one describe the excretory system for chickens?

Biology
1 answer:
Fofino [41]3 years ago
6 0
Generally, the excretory system of the chickens is actually a biological system that usually removes excess of unnecessary materials from the body of the chicken. A function that eliminates the waste product of metabolism in the body such as liquids or gaseous wastes like urine, sweat and exhalation, these substances are usually toxic for the chicken body. There are only several organs that are considered part of the excretory system. It has also said that the system had a closed relationship with temperature in the body. 
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Ierofanga [76]

Answer:

<u>the bottleneck effect</u>

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Explanation:

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Some mutations or alleles may become extinct from the population.

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Variants of a gene accumulate and are transmitted across generations; the frequencies of these occurrences are altered and become more stable in genetic drift- they become genetically distinct and may eventually form a new species after isolation. This may be further compounded through other  phenomena such as the founder effect where a group separates and genetic diversity decreases; and the bottleneck effect where barriers to reproduction or the die-off a population increases genetic drift.

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6 0
3 years ago
A recessive allele causes phenylketonuria (PKU) when homozygote. If the frequency of the recessive allele is 0.05 in the populat
Radda [10]

Answer:

0.095

Explanation:

Phenylkentonuria is a disease caused by a recessive allele.

The frequency of the recessive allele + the frequency of the dominant allele equals 1.

The frequency of the recessive allele is q = 0.05

The frequency of the dominant allele then is p = 1  - q = 0.95

If people mate randomly, the frequency of the homozygous dominant genotype will be p², the frequency of the heterozygous genotype will be 2pq and the frequency of the homozygous recessive genotype will be q² .

2pq=2× 0.05 × 0.95

2pq=0.095

The heterozygote frequency in the population is 0.095

4 0
3 years ago
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8 0
3 years ago
Animal nutrition and dietics
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Answer:

An animal nutritionist specializes in the dietary needs of animals in captivity, such as pets, farm animals, and zoo animals.

Explanation:

hope this helps

4 0
2 years ago
Plant and animal cells both contain what?
lesya [120]
They both contain a Nucleus, the part of the cell designed to dictate the cells operations.
5 0
3 years ago
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