Genetics Review Day Part 1

Front

What is the genotype of a guinea pig with a fabulous coat of hair?

Back

HH

Front

What is the genotype of a hairless guinea pig?

Back

hh

Front

What are the possible genotypes of the offspring from a cross between HH and hh guinea pigs?

Back

Hh

Front

What is a phenotype?

Back

The expression of a trait; physical appearance.

Front

What is a purebred organism?

Back

An organism that has the same genes for a trait (ex. TT or tt).

Front

What is a hybrid organism?

Back

An organism that has different alleles for a trait (ex. Tt).

Front

What is the probability of getting white fur (b) from a cross of Bb x Bb?

Back

25%.

Front

What do genes contain?

Back

Instructions for producing certain traits.

Front

What is the role of alleles in genetics?

Back

Alleles are different forms of a gene that determine specific traits.

Front

What is the difference between dominant and recessive traits?

Back

Dominant traits are expressed when at least one dominant allele is present; recessive traits are expressed only when two recessive alleles are present.