Pedigrees

Front

What does A indicate in a pedigree chart?

Back

A female that has the trait.

Front

How are dominant alleles represented?

Back

By a capital letter.

Front

What does B indicate in a pedigree chart?

Back

A line that indicates a marriage.

Front

In the second generation of a pedigree, how many people are carriers of the trait if 3 individuals can pass it on?

Back

3

Front

How many alleles does a child inherit from each parent for a trait?

Back

1

Front

What is a pedigree chart?

Back

A diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism and its ancestors.

Front

What does a horizontal line between two individuals in a pedigree represent?

Back

A marriage or mating between the two individuals.

Front

What does a vertical line connecting parents to offspring indicate in a pedigree?

Back

It indicates the relationship of parents to their children.

Front

What is a carrier in genetics?

Back

An individual who has one copy of a recessive allele that does not manifest in their phenotype.

Front

What does a shaded shape in a pedigree chart represent?

Back

An individual that expresses the trait being studied.