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Biology-Related Homework Help Genetics and Developmental Biology Topic started by: irika21 on Jul 4, 2013



Title: A dihybrid cross SS ttss TT is made in which S is dominant
Post by: irika21 on Jul 4, 2013
A dihybrid cross SS ttss TT is made in which S is dominant, but there is no dominance between T and t. Assuming independent assortment, how many phenotypic classes are expected in F2?

A) 2
B) 3
C) 4
D) 5
E) 6


In families where both parents are heterozygous for a recessive trait, what is their probability of having a child with the homozygous recessive genotype?

A) 1
B) 1/2
C) 1/4
D) 3/4



Title: Re: A dihybrid cross SS ttss TT is made in which S is dominant
Post by: doseofmegan on Jul 4, 2013
2. C) 1/4


Title: Re: A dihybrid cross SS ttss TT is made in which S is dominant
Post by: couple007 on Jul 5, 2013
1. E) 6