Simple Genetics Practice

Front

What is the term for the combination of alleles an individual has?

Back

Genotype

Front

What is an example of a homozygous dominant genotype?

Back

AA

Front

What is an example of a homozygous recessive genotype?

Back

aa

Front

Which letter typically represents a dominant allele?

Back

A

Front

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

Back

Dominant

Front

What is the term for the physical expression of a genotype?

Back

Phenotype

Front

What is the difference between homozygous and heterozygous genotypes?

Back

Homozygous genotypes have two identical alleles, while heterozygous genotypes have two different alleles.

Front

What does it mean if an allele is recessive?

Back

A recessive allele is only expressed in the phenotype if two copies are present.

Front

What is the significance of dominant alleles in genetics?

Back

Dominant alleles mask the effect of recessive alleles in heterozygous genotypes.

Front

How can you determine the genotype of an organism?

Back

By examining its alleles, which can be homozygous or heterozygous.