Genetics Pre/Post Flashcard

Front

What is a gene?

Back

A specific location on a chromosome that controls a certain trait or function.

Front

What does YY represent in genetics?

Back

A homozygous dominant genotype.

Front

What does Yy represent in genetics?

Back

A heterozygous genotype.

Front

What does yy represent in genetics?

Back

A homozygous recessive genotype.

Front

What is DNA?

Back

A unique molecule that has a twisted ladder shape (double helix).

Front

What is a dominant trait?

Back

A trait that is expressed when at least one dominant allele is present.

Front

What is a recessive trait?

Back

A trait that is expressed only when two recessive alleles are present.

Front

What is co-dominance?

Back

A situation where both alleles in a heterozygote are fully expressed.

Front

What is a haploid cell?

Back

A cell that contains one complete set of chromosomes.

Front

What is a diploid cell?

Back

A cell that contains two complete sets of chromosomes.