Genetics

Front

What is it called when both alleles in a genotype are the same?

Back

Homozygous

Front

In a Punnett square, a lower case letter stands for a ____________ allele.

Back

recessive

Front

What do we call the physical expression of the genetic material of an organism?

Back

phenotype

Front

Which pair of alleles is an example of homozygous recessive?

Back

bb

Front

A trait that is expressed if one copy of the allele is present is a(n) ____________ trait.

Back

dominant trait

Front

What is the term for the genetic makeup of an organism?

Back

genotype

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles express their trait even if only one copy is present, while recessive alleles require two copies to express their trait.

Front

What is a Punnett square used for?

Back

To predict the probability of offspring inheriting particular traits.

Front

What is the term for the passing of traits from parents to offspring?

Back

heredity

Front

What is an allele?

Back

An allele is a variant form of a gene.