Genetics Vocab

When passing traits from one generation to the next, each parent gives one set of these to their offspring.

• phenotypes

• genes

• alleles

• mutations

What kind of gene is represented with a lower case letter

• Dominate

• Recessive

• Homozygous

• Heterozygous

You have two flowers, a white and a red, that are crossed. The alleles have Incomplete Dominance. What color will their offspring be?

• white

• red

• pink

• white and red

Which term refers to physical characteristics that are studied in genetics?

• traits

• offspring

• generations

• ability

What does a Punnett square show?

• All the possible outcomes of a genetic cross

• Only the dominant alleles in a genetic cross

• Only the recessive alleles in a genetic cross

• It shows only the parents' phenotypes

Which of the following best describes a dominant allele?

• An allele whose trait is never seen in the offspring

• An allele whose trait always shows up in the offspring if present.

• An allele whose trait shows up every second generation

• An allele whose trait is covered up by a recessive allele

You have 2 mice. One is white and the other is black. Their alleles are codominant. What will their offspring look like?

• white

• black

• gray

• white and black

What is heredity?

• traits passing from offspring to parents

• traits passing from parents to offspring

• plants that are cross-pollinated

• the ratio of dominant to recessive traits

The different forms of a gene that decide a characteristic are known as __________.

• alleles

• phenotypes

• albinism

• genes

Which of the following best describes the difference between the meanings of phenotype and genotype for this characteristic in birds?

• The phenotype is the color of the bird, the genotype is the specific genetic makeup for this characteristic.

• The genotype is the color of the bird, the phenotype is the specific genetic makeup for this characteristic.

• The phenotype is how the bird looks on the inside and the genotype is how it looks on the outside.

• The genotype and phenotype for this bird are identical.