Genetics Exam Review 2023

Front

What is hemophilia?

Back

Hemophilia is a recessive sex-linked trait that affects the blood's ability to clot.

Front

What genotype represents a male with hemophilia?

Back

X^hY

Front

What is Duchenne muscular dystrophy?

Back

Duchenne muscular dystrophy is a recessive x-linked disorder that primarily affects males.

Front

What percentage of male offspring will have Duchenne muscular dystrophy if the mother is a carrier?

Back

100% of male offspring will have the disorder if the mother is a carrier.

Front

What type of heredity is shown in a pedigree with affected males and carrier females?

Back

Sex-Linked Recessive

Front

What is the genotype of a homozygous dominant dog with brown fur?

Back

BB

Front

What is the genotype of a heterozygous dog with brown fur?

Back

Bb

Front

If a homozygous dominant dog (BB) is crossed with a heterozygous dog (Bb), what are the possible genotypes of the offspring?

Back

50% BB and 50% Bb

Front

What is cloning?

Back

Cloning is the process of creating a genetically identical copy of an organism.

Front

What is selective breeding?

Back

Selective breeding is the process of breeding plants and animals for specific genetic traits.