Genetics Unit Test Review 2

A pedigree chart shows how a trait passes down in a family. The circles represent _____________ and the squares represent ______________.

Patrick married Patti, a cute girl. He is a purebred for his tall head shape (T), which is dominant over a short head (t). If Patti has a short-head, what are the chances that their offspring will have a tall head?

Some traits are called sex-linked traits because they are carried on the chromosomes that determine whether the person is male or female. Which of the following two diseases are BEST know for being sex-linked?

Hybrid is a term for ___________ and consists of gene pairs with alleles that are different.

Is Rr homozygous or heterozygous?

During his lifetime, he collected data about plants include pea plants. He kept notes of the crosses and results of crosses with pea plants. His notes were discovered. They became the basis of what is now called genetics. Who is he?

Sandy has blood Type AB and Fred has blood Type O which has a genotype of OO. If Sandy and Fred married and had children, what possible phenotypes could their offspring have? Draw a Punnett Square to find out.

In Squidward’s family, a blue body color (B) is dominant to green (b). What genotype would represent a heterozygous blue body color?

Match it! Select the correct answer from the pull down...Good luck!