Flashcard Review: Probability and Heredity

Front

What is the probability of an offspring having a homozygous dominant genotype from a cross?

Back

50%

Front

Which genotype is homozygous dominant?

Back

AA

Front

What is the probability of producing heterozygous offspring?

Back

50%

Front

In a heterozygous genotype, which allele takes over in the phenotype?

Back

Dominant

Front

What is the genotype of a mother that is homozygous recessive?

Back

dd

Front

Define homozygous dominant.

Back

An organism with two identical dominant alleles (e.g., AA).

Front

Define heterozygous.

Back

An organism with two different alleles for a trait (e.g., Aa).

Front

What is a recessive allele?

Back

An allele that is masked by the presence of a dominant allele.

Front

What is a genotype?

Back

The genetic makeup of an organism, represented by alleles.

Front

What is a phenotype?

Back

The observable traits of an organism, influenced by its genotype.