Mendelian Genetics

Front

What is the definition of a purebred genotype?

Back

A purebred genotype consists of two identical alleles for a particular gene, such as 'bb' or 'HH'.

Front

What is the term for having two identical alleles for a trait?

Back

Homozygous.

Front

How many alleles does a baby guinea pig inherit from its mother?

Back

1.

Front

What are alleles?

Back

Alleles are different forms of a gene that can exist at a specific locus on a chromosome.

Front

In humans, what genotype would a blue-eyed child have if blue eyes are a recessive trait?

Back

bb.

Front

What is the difference between homozygous and heterozygous genotypes?

Back

Homozygous genotypes have two identical alleles (e.g., 'AA' or 'aa'), while heterozygous genotypes have two different alleles (e.g., 'Aa').

Front

What is a dominant allele?

Back

A dominant allele is an allele that expresses its trait even when only one copy is present in the genotype.

Front

What is a recessive allele?

Back

A recessive allele is an allele that only expresses its trait when two copies are present in the genotype.

Front

What is the genotype for a heterozygous individual?

Back

The genotype for a heterozygous individual consists of two different alleles, such as 'Aa'.

Front

What is the significance of the Punnett square in genetics?

Back

The Punnett square is a tool used to predict the genotypes and phenotypes of offspring from a genetic cross.