25. What is the most likely mode of inheritance for the poor digestion of plants trait? Assume gorillas have the same XY chromosome behavior as humans. Explain your answer.

Human Anatomy & Physiology (11th Edition)
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The administration at a sanctuary for Western Lowland Gorillas has discovered a mutation in a single
gene that prevents proper digestion of plants in their gorillas. Gorillas eat lots of plants, so this trait
decreases the odds of survival in the wild for these gorillas. The sanctuary has therefore decided to
contact you to determine which gorillas to breed together to minimize the chance of producing affected
offspring. They have provided you with the three pedigrees below. The parents in group B labeled "True
Breeding Line" are from a population of gorillas with zero evidence of the trait. Possible mating gorillas
are numbered 1-10, siblings cannot be bred together, and a mating pair must include exactly one male
and one female gorilla.
||
|||
1
||
|||
Breeding Group A
2 3
Breeding Group C
9 (10
|||
5
Breeding Group B
True Breeding
Line
7
25. What is the most likely mode of inheritance for the poor digestion of plants trait? Assume
gorillas have the same XY chromosome behavior as humans. Explain your answer.
Transcribed Image Text:The administration at a sanctuary for Western Lowland Gorillas has discovered a mutation in a single gene that prevents proper digestion of plants in their gorillas. Gorillas eat lots of plants, so this trait decreases the odds of survival in the wild for these gorillas. The sanctuary has therefore decided to contact you to determine which gorillas to breed together to minimize the chance of producing affected offspring. They have provided you with the three pedigrees below. The parents in group B labeled "True Breeding Line" are from a population of gorillas with zero evidence of the trait. Possible mating gorillas are numbered 1-10, siblings cannot be bred together, and a mating pair must include exactly one male and one female gorilla. || ||| 1 || ||| Breeding Group A 2 3 Breeding Group C 9 (10 ||| 5 Breeding Group B True Breeding Line 7 25. What is the most likely mode of inheritance for the poor digestion of plants trait? Assume gorillas have the same XY chromosome behavior as humans. Explain your answer.
26. Which pair of gorillas has the best chance of producing unaffected offspring? Siblings cannot be
bred together, and a mating pair must include one male and one female. Explain your answer.
There may be multiple correct answers to this question.
27. What is the probability that your chosen pair will produce unaffected offspring? Leave your
answer in fraction form.
Transcribed Image Text:26. Which pair of gorillas has the best chance of producing unaffected offspring? Siblings cannot be bred together, and a mating pair must include one male and one female. Explain your answer. There may be multiple correct answers to this question. 27. What is the probability that your chosen pair will produce unaffected offspring? Leave your answer in fraction form.
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