Why is there no trait (letter) on the y chromosome for males in this pedigree? A. Because the trait is X-linked (on the X chromosome)   B. Because Ms. Premo made a mistake   C. Because we never write anything on the y chromosome

A plant that is homozygous for the recessive yellow pod color is crossed with a plant that is heterozygous. Which phenotype will appear MOST in the offspring?   A. There will only be plants with green pods.   B. There will be more plants with green pods.   C. There will be more plants with yellow pods.   D. Plants with yellow and green pods will appear in equal numbers.

​Having dimples (D) is dominant over not having dimples (d).  A dimpled woman (whose father had no dimples and whose mother did have dimples) marries a man whose mother had no dimples, whose father had no dimples, and whose grandparents on his father’s side did have dimples!     a)​What are the genotypes of the man and woman? b) ​Show the cross. c)​How many different genotypes are possible among the offspring? d)​How many different phenotypes are possible among the offspring? e)​What is the probability of getting DD offspring? f) ​What is the probability of getting dd offspring? g) ​What is the probability of getting dimpled offspring? h) ​What is the probability of getting offspring with no dimples? i)​What is the probability of getting homozygous offspring?