Genetics and Punnett Squares

Front

Are recessive traits shown with capital or lowercase letters?

Back

Lowercase

Front

Homozygous is when...

Back

the alleles are the same

Front

What is the dominant trait?

Back

yellow pea seeds

Front

What is a phenotype?

Back

The physical trait

Front

Genotype refers to the ...

Back

the possible combination of alleles in a gene

Front

What does a Punnett Square show?

Back

The possible genetic combinations from a cross between two parents.

Front

What is a dominant allele?

Back

An allele that expresses its trait even when paired with a recessive allele.

Front

What is a recessive allele?

Back

An allele that only expresses its trait when paired with another recessive allele.

Front

What does heterozygous mean?

Back

Having two different alleles for a trait.

Front

What is the purpose of a Punnett Square?

Back

To predict the probability of offspring inheriting particular traits.