REVIEW - Inheritance of traits

Front

What is a dominant trait?

Back

A dominant trait is a characteristic that is expressed in an individual even when only one copy of the allele is present.

Front

How can you identify the dominant trait in your family?

Back

By observing common physical characteristics and analyzing family history.

Front

What is the dominant trait of garden pea's seed shape?

Back

Round.

Front

What is the study of heredity and variations called?

Back

Genetics.

Front

What best describes a dominant allele?

Back

An allele that expresses its trait in the presence of another allele.

Front

In a heterozygous individual, which trait will be expressed if one allele is dominant and the other is recessive?

Back

The dominant trait will be expressed.

Front

What is a recessive trait?

Back

A recessive trait is a characteristic that is only expressed when two copies of the allele are present.

Front

What is an allele?

Back

An allele is a variant form of a gene that can produce different traits.

Front

What does homozygous mean?

Back

Homozygous refers to having two identical alleles for a particular gene.

Front

What does heterozygous mean?

Back

Heterozygous refers to having two different alleles for a particular gene.