Genetics Review (11.1-11.3)

Front

What is a gene?

Back

A segment of DNA that codes for a particular protein, which leads to a particular trait.

Front

What are gamete possibilities from a genotype of AaBb?

Back

Ab, AB, ab, aB

Front

What phenotype is associated with the genotype 'yy'?

Back

It will have green seeds.

Front

When is a recessive allele expressed in offspring?

Back

When two copies are present.

Front

What type of inheritance occurs when two alleles blend together?

Back

Incomplete Dominance.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the observable traits.

Front

What is codominance?

Back

A type of inheritance where both alleles in a heterozygote are fully expressed.

Front

What does homozygous mean?

Back

Having two identical alleles for a particular gene.

Front

What does heterozygous mean?

Back

Having two different alleles for a particular gene.

Front

What is a dominant allele?

Back

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