1. Red-green colorbilindness is caused by a recessive allele ) at an X-linked gene, and albinism is caused by a recessive allele (a) at an autosomal gene. A phenotypically normal woman (Sara) has a father who is colorblind, and she knows that she is a carrier for albinism. She plans to have a child with a colorblind man (Abdul) who is also a carrier for albinism. What is the probability that Sara and Abdul's child will have one of the conditions, but not both?: Follow the steps below to answer this question. a) What is the cross? b) What are the target genotypes? Note: it might be useful to come back to this one and double- check it after you have completed step c, below. ) Break this down to the single gene level by answering the following questions: a What is the proportion of normal to albino offspring? Show the Punnett square: b. What is the proportion of normal to colorblind offspring? Show the Punnett square:
1. Red-green colorbilindness is caused by a recessive allele ) at an X-linked gene, and albinism is caused by a recessive allele (a) at an autosomal gene. A phenotypically normal woman (Sara) has a father who is colorblind, and she knows that she is a carrier for albinism. She plans to have a child with a colorblind man (Abdul) who is also a carrier for albinism. What is the probability that Sara and Abdul's child will have one of the conditions, but not both?: Follow the steps below to answer this question. a) What is the cross? b) What are the target genotypes? Note: it might be useful to come back to this one and double- check it after you have completed step c, below. ) Break this down to the single gene level by answering the following questions: a What is the proportion of normal to albino offspring? Show the Punnett square: b. What is the proportion of normal to colorblind offspring? Show the Punnett square:
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:1. Red-green colorblindness is caused by a recessive allele (X) at an X-linked gene, and albinism is
caused by a recessive allele (a) at an autosomal gene. A phenotypically normal woman (Sara) has a
father who is colorblind, and she knows that she is a carrier for albinism. She plans to have a child
with a colorblind man (Abdul) who is also a carrier for albinism. What is the probability that Sara and
Abdul's child will have one of the conditions, but not both?
Follow the steps below to answer this question.
a) What is the cross?
b) What are the target genotypes? Note: it might be useful to come back to this one and double-
check it after you have completed step c, below.
c) Break this down to the single gene level by answering the following questions:
a. What is the proportion of normal to albino offspring? Show the Punnett square:
b. What is the proportion of normal to colorblind offspring? Show the Punnett square:
d) What is the probability that Sara and Abdul's child will have one of the conditions, but not
both? Show your work, including the probability of getting each target genotype and the total
probability.
Expert Solution
Step 1
Mendelian factor is the unit of inheritance which passes from parent to offspring through gametes. When both the genes responsible for a particular trait are identical they are called homozygous. When both the allele of a character are un identical i.e, hybrid is called heterozygous. In heterozygous condition one allele is expressed ( dominant) and another is not express ( recessive ).
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