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Exam 3 review (SI)
Stuff on the exam: Feb 25- March 11
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Complete the table
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Question: YY mice die at the embryonic stage. Considering ‘being
dead’ considered a phenotype, is the allele Y recessive or dominant
for ‘being dead’?
Crossing two yellow mice results in a progeny with 2/3rd
yellow mice and 1/3rd white mice. What is the mode of
inheritance?
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Question: How is the ‘h’ gene involved in blood type determination?
Is it epistatic? If yes, then dominant or recessive epistatic?
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Question: What if, long fingers was determined by an autosomal
dominant allele with 80% penetrance. What would be the probability
of the first child having long fingers when two heterozygous parents
mate?
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Question: Can a mother with ‘diseased’ mitochondria pass the trait to
the child? Can a father with ‘diseased’ mitochondria pass the trait to
the child?