Genetics Quiz

Choose the vocabulary word that does not belong in the set.

• Egg

• Sperm

• Zygote

When Mendel transferred pollen from one pea plant to another, he was ________ the plants.

• self-pollenating

• cross-pollinating

• self-fertilizing

• cross-fertilizing

Choose the vocabulary word that does not belong in the set.

• homozygous

• hybrid

• heterozygous

Choose the vocabulary word that does not belong in the set.

• phenotype

• genotype

• allele

Choose the vocabulary word that does not belong in the set.

• nondisjunction

• genetic recombination

• crossing over

Choose the vocabulary word that does not belong in the set.

• nondisjunction

• genetic recombination

• crossing over

If T is the allele for purple flowers and t is the allele for white flowers, what would be the results of crossing two heterozygous flowers?

• 3 out of 4 are purple

• 3 out of 4 are white

• equal numbers of white and purple

• all of the same color

Recessive traits appear only when an organism is ___________.

• mature

• different from its parents

• heterozygous

• homozygous

If each gamete of a species has 16 chromosomes, how many chromosomes would you expect to find in the skin cell of the resulting organism?

• 16

• 64

• 32

• 8

A carrier is always heterozygous

• True

• False