a. What is the probability that their child will not be affected by this trait? b. A geneticist uses RFLP analysis (described in Tool Box 3.1), in combination with a polar body assay, to determine if their child is likely to be affected by this trait. In this analysis, the size of the band on the gel represents a chromosome that has either the "normal" allele or the "disease" allele. The gel is shown in Figure Q6.5B, with each lane of the gel showing the results for one member of her family. The lane labeled "PB"is the analysis of the first polar body. Based on this analysis, what is the probability that their child will not be affected by this trait?

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter12: Mendel, Genes, And Inheritance
Section: Chapter Questions
Problem 16TYK: Having malformed hands with shortened fingers is a dominant trait controlled by a single gene;...
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I am unsure about both parts.

Looking back 6.17
The woman Il-2 shown in the pedigree in Figure Q6.5A is pregnant with her first child.
Both her family and her husband have a sister who is affected by an autosomal recessive
trait as shown.
a. What is the probability that their child will not be affected by this trait?
b. A geneticist uses RFLP analysis (described in Tool Box 3.1), in combination with a polar
body assay, to determine if their child is likely to be affected by this trait. In this analysis,
the size of the band on the gel represents a chromosome that has either the "normal"
allele or the "disease"allele. The gel is shown in Figure Q6.5B, with each lane of the gel
showing the results for one member of her family. The lane labeled "PB"is the analysis
of the first polar body. Based on this analysis, what is the probability that their child will
not be affected by this trait?
1-1
1-2
Il-1
IlI-2
PB
2
3
1
2
3
4
?
(a)
(b)
enimsb xsz bns sp
Figure Q6.5
Transcribed Image Text:Looking back 6.17 The woman Il-2 shown in the pedigree in Figure Q6.5A is pregnant with her first child. Both her family and her husband have a sister who is affected by an autosomal recessive trait as shown. a. What is the probability that their child will not be affected by this trait? b. A geneticist uses RFLP analysis (described in Tool Box 3.1), in combination with a polar body assay, to determine if their child is likely to be affected by this trait. In this analysis, the size of the band on the gel represents a chromosome that has either the "normal" allele or the "disease"allele. The gel is shown in Figure Q6.5B, with each lane of the gel showing the results for one member of her family. The lane labeled "PB"is the analysis of the first polar body. Based on this analysis, what is the probability that their child will not be affected by this trait? 1-1 1-2 Il-1 IlI-2 PB 2 3 1 2 3 4 ? (a) (b) enimsb xsz bns sp Figure Q6.5
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