OSE - Genetics L1-6 Review*

Front

What is a dominant trait?

Back

A dominant trait describes a trait that covers over, or masks another form of that trait.

Front

What does the term 'myostatin' refer to?

Back

Myostatin refers to a protein that helps keep muscles steady.

Front

In a pedigree chart, what does a halfway shaded circle or square represent?

Back

A halfway shaded circle or square represents a carrier.

Front

What is the effect of a partially formed myostatin protein in animals?

Back

The animal will have somewhat bigger muscles than typical animals.

Front

What is a Punnett square?

Back

A Punnett square is a model that helps make genetic predictions.

Front

What is a recessive trait?

Back

A recessive trait is a trait that is masked by a dominant trait.

Front

What is an allele?

Back

An allele is a variant form of a gene.

Front

What is the role of genes in heredity?

Back

Genes are units of heredity that contribute to an organism's traits.

Front

What is the difference between genotype and phenotype?

Back

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

Front

What is a carrier in genetics?

Back

A carrier is an individual who has one copy of a recessive allele and does not exhibit the trait.