Benchmark Review

Front

What is an organism's genetic makeup called?

Back

Genotype

Front

What do you call having two different alleles for a trait?

Back

Heterozygous

Front

What is an example of incomplete dominance?

Back

Incomplete dominance is when the phenotype of the heterozygote is intermediate between the phenotypes of the two homozygotes.

Front

If a rabbit has brown fur, what can you conclude about its genotype?

Back

It is bb.

Front

What do you call having two of the same alleles for a trait?

Back

Homozygous

Front

What is the term for the physical expression of a trait?

Back

Phenotype

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 a dominant allele?

Back

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

Front

What is a recessive allele?

Back

A recessive allele is one that only expresses its trait when two copies are present.

Front

What is co-dominance?

Back

Co-dominance is when both alleles in a heterozygote are fully expressed.