Safe Exam Browser 1.5.2 Exam 2 Spring 2018 The trait for Freckles is ruled by Co

Question

Safe Exam Browser 1.5.2 Exam 2 Spring 2018 The trait for Freckles is ruled by Complete Dominance, Having Freckles are dominant over no freckles. Mom is homozygous dominant for this trait, Dad is heterozygous for the trait. Answer the following questions: What is mom's genotype? What is Dad's genotype? What is Mom's phenotype ? What is Dad's phenotype? Create a Punnett square: Do this on a piece of paper and email the photo to me What is the probability of the above couple having a child without Freckles?

Explanation / Answer

Answer:

F=freckles

f=no freckles

Mom’s genotype=FF

Dad’s genotype=Ff

Mom’s phenotype=freckles

Dad’s phenotype=freckles

Mom (FF) x Dad (Ff)

F

f

F

FF

Ff

F

FF

Ff

All kids i.e 100% of the kids will have freckles

0% probability of having kids without freckles

F

f

F

FF

Ff

F

FF

Ff

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