Monohybrid and Dihybrid Flashcard

Front

What is the phenotype for box 2 in a genetic cross?

Back

Free earlobes, red hair.

Front

What is the term for an allele that is hidden by a dominant allele?

Back

Recessive.

Front

What diagram is used to predict all possible genotypes of a genetic cross?

Back

Punnett square.

Front

What is the genotype represented by 'Ff'?

Back

Heterozygous.

Front

What is the genotype represented by 'SS'?

Back

Homozygous Dominant.

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, often represented by letters (e.g., AA, Aa, aa).

Front

What does 'homozygous' mean?

Back

Having two identical alleles for a particular gene (e.g., AA or aa).

Front

What does 'heterozygous' mean?

Back

Having two different alleles for a particular gene (e.g., Aa).

Front

What is a dominant allele?

Back

An allele that expresses its phenotype even in the presence of a recessive allele.