Genetics and Heredity

Front

What are alleles?

Back

Alleles are the available forms of genes passed to offspring.

Front

What is the possible genotype of a guinea pig with rough fur (R)?

Back

The guinea pig can have either a RR or Rr genotype.

Front

Who is known as the father of genetics?

Back

Mendel

Front

What type of letters represent recessive alleles?

Back

Lowercase letters.

Front

How many alleles does an offspring receive from each parent for a specific trait?

Back

One allele.

Front

What is a dominant allele?

Back

A dominant allele is an allele that expresses its trait even when only one copy is present.

Front

What is a recessive allele?

Back

A recessive allele is an allele that only expresses its trait when two copies are present.

Front

What does genotype refer to?

Back

Genotype refers to the genetic makeup of an organism.

Front

What does phenotype refer to?

Back

Phenotype refers to the physical appearance of an organism.

Front

What is the difference between homozygous and heterozygous?

Back

Homozygous means having two identical alleles for a trait, while heterozygous means having two different alleles.