Mendelian Genetics

Front

The letters on the TOP AND SIDE of a punnett square represent ______________.

Back

The possible alleles given by the parents following meiosis.

Front

If green is dominant over purple, then what is the genotype for a purple individual?

Back

gg

Front

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

Back

Gene

Front

What do we call the result of the genotype (for example, the color of the peas)?

Back

Phenotype

Front

In a breed of chicken showing codominance for feather color, what will the feathers of heterozygous chickens look like?

Back

Speckled black and white.

Front

What is the definition of a dominant allele?

Back

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

Front

What is a recessive allele?

Back

An allele that only expresses its trait when two copies are present.

Front

What is the purpose of a Punnett square?

Back

To predict the possible genotypes of offspring from a genetic cross.

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.