Genetics

Front

One form of a gene is called _____________.

Back

an allele

Front

A genotype that has two identical alleles for a trait is called _____________.

Back

homozygous

Front

A genotype that has two different alleles for a trait is called _____________.

Back

heterozygous

Front

The physical expression of a trait is known as _____________.

Back

phenotype

Front

The genetic makeup of an organism is referred to as _____________.

Back

genotype

Front

In a Punnett square, the letters represent _____________.

Back

alleles

Front

When both alleles in a genotype are expressed equally, this is known as _____________.

Back

codominance

Front

When the phenotype of a heterozygous genotype is a blend of both alleles, this is called _____________.

Back

incomplete dominance

Front

The offspring of a cross between a black guinea pig and a white guinea pig that are gray demonstrate _____________.

Back

incomplete dominance

Front

If a trait is expressed only when two recessive alleles are present, it is called _____________.

Back

recessive trait