Genetics Review Flashcard

Front

What is hemophilia?

Back

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

Front

Which genotype represents a male with hemophilia?

Back

X^hY

Front

What is the term for the passing of traits from parents to offspring?

Back

Heredity

Front

What is the term for an organism that has two different alleles for a particular gene?

Back

Heterozygous

Front

If T stands for tall and t stands for short, what does a genotype of TT represent?

Back

100% of the offspring are tall.

Front

What are alleles?

Back

Different forms a gene may have for a trait.

Front

What is the term for an organism with two identical alleles for a particular gene?

Back

Homozygous

Front

What does a Punnett Square illustrate?

Back

A Punnett Square illustrates the possible genetic combinations from a cross between two organisms.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup of an organism, while phenotype refers to the observable traits.

Front

What is a dominant allele?

Back

A dominant allele is an allele that expresses its trait even when paired with a recessive allele.