Genetics Vocabulary #1

Front

What type of allele will only express itself if it is in a homozygous pair?

Back

Recessive

Front

Which of the following is homozygous recessive? (Options: rr, AA, TT, Ff)

Back

rr

Front

What does the prefix 'hetero-' in heterozygous mean?

Back

Different

Front

TT and tt are examples of _____ alleles.

Back

Homozygous

Front

What does homozygous mean?

Back

Having two of the same genes for the trait (sometimes called purebred).

Front

What is a dominant allele?

Back

An allele that expresses its trait even when only one copy is present.

Front

What is a genotype?

Back

The genetic makeup of an organism, represented by alleles.

Front

What is a phenotype?

Back

The observable characteristics or traits of an organism.

Front

What is the difference between homozygous and heterozygous?

Back

Homozygous means having two identical alleles, while heterozygous means having two different alleles.

Front

What is an example of a homozygous dominant genotype?

Back

AA