Genetics Practice

Front

What does 'aa' always show up as?

Back

Recessive

Front

True or False: Incomplete dominance is where neither allele is dominant while codominance is where both alleles are equally dominant and shown if inherited.

Back

True

Front

What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?

Back

0 in 4

Front

What is a Punnett square cross between individuals that involves the inheritance of 2 traits called?

Back

Dihybrid

Front

Aa, DD, bB, yy are all examples of what?

Back

Genotypes

Front

What is the definition of genotype?

Back

The genetic constitution of an individual, represented by alleles.

Front

What is the definition of phenotype?

Back

The observable physical or biochemical characteristics of an organism, determined by both genetic makeup and environmental influences.

Front

What is incomplete dominance?

Back

A genetic situation in which one allele does not completely dominate another allele, resulting in a new phenotype.

Front

What is codominance?

Back

A genetic scenario where both alleles in a heterozygote are fully expressed, resulting in offspring with a phenotype that is neither dominant nor recessive.

Front

What is a monohybrid cross?

Back

A genetic cross between individuals that involves one trait.