Genetics and Heredity

Front

What is a homozygous dominant genotype?

Back

A genotype with two identical dominant alleles, represented as 'AA'.

Front

What is a heterozygous genotype?

Back

A genotype with one dominant and one recessive allele, represented as 'Aa'.

Front

What allele takes over in the phenotype of a heterozygous genotype?

Back

The dominant allele.

Front

What is the chance of a white guinea pig being born from a black guinea pig (BB) and a white guinea pig (bb)?

Back

0%.

Front

What does a lower case letter represent in a Punnett square?

Back

A recessive allele.

Front

What is the physical expression of the genetic material of an organism called?

Back

Phenotype.

Front

What is the term for the genetic makeup of an organism?

Back

Genotype.

Front

What is heredity?

Back

The passing of traits from parents to offspring.

Front

What is a dominant allele?

Back

An allele that expresses its trait even in the presence of a recessive allele.

Front

What is a recessive allele?

Back

An allele that only expresses its trait when two copies are present.