Complete Dominance, Incomplete Dominance, Codominance

Front

What is complete dominance?

Back

A genetic scenario where one allele completely masks the effect of another allele in a heterozygous individual.

Front

What is incomplete dominance?

Back

A genetic scenario where the heterozygote shows a phenotype that is a blend of the two alleles.

Front

What is codominance?

Back

A genetic scenario where both alleles in a heterozygous individual are fully expressed, resulting in a phenotype that shows both traits.

Front

Define phenotype.

Back

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

Front

Define genotype.

Back

The genetic constitution of an individual, specifically the alleles present at a particular gene locus.

Front

What is a Punnett square?

Back

A diagram used to predict the outcome of a genetic cross by showing the possible combinations of alleles from the parents.

Front

What is the probability of offspring having a dominant trait if one parent is homozygous dominant and the other is homozygous recessive?

Back

100% of the offspring will express the dominant trait.

Front

In a cross between two heterozygous individuals (Aa x Aa), what is the probability of obtaining a homozygous recessive offspring?

Back

25%.

Front

What is the inheritance pattern where traits appear to blend together?

Back

Incomplete dominance.

Front

What is the inheritance pattern where both traits are fully expressed?

Back

Codominance.