A couple both heterozygous for an autosomal recessive disorder which they found our when their first child was born. What is the chance that they'll have a second child with the disorder? О а. 0% O b. 25% 75% O d. 100% O e. 50% O f. 33% Text
A couple both heterozygous for an autosomal recessive disorder which they found our when their first child was born. What is the chance that they'll have a second child with the disorder? О а. 0% O b. 25% 75% O d. 100% O e. 50% O f. 33% Text
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:A couple both heterozygous for an autosomal recessive disorder which they found our when their first child was born. What is the
chance that they'll have a second child with the disorder?
a.
0%
O b. 25%
O c. 75%
O d. 100%
Ое.
50%
O f.
33%
Text
Transcribed Image Text:Could normal genetic processes (no errors) cause two non-twin sisters to be more genetically similar to each other than either is to
their mother or father?
O a. No because crossovers randomize the grand-parental alleles
O b. None of the above choices are correct.
O c.
Yes because similar grandparental combinations could be in the gametes that produced both of them.
O d. Yes because crossovers create new combinations of alleles.
O e.
No because they inherit exactly the same number of chromosomes from each parent.
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