Mendelian Genetics Quiz

An allele that is only expressed if the organism is homozygous for the trait. These alleles can be masked by other alleles.

• phenotype

• genotype

• dominant

• recessive

Tags

NGSS.HS-LS3-1

An allele with the ability to mask another allele, represented with a capital letter (ex: B)

• phenotype

• genotype

• dominant

• recessive

An organism’s combination of alleles, written with 2 letters (ex: BB, Bb, or bb)

• phenotype

• genotype

• dominant

• recessive

Tags

NGSS.HS-LS3-1

An organism’s physical expression of its genes (ex: brown hair, tall, freckled)

• phenotype

• genotype

• dominant

• recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

If an organism has 2 different alleles for a trait, it is known as _____ or a _____.

Choose the 2 terms that apply.

• heterozygous

• homozygous

• purebred

• hybrid

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If an organism has 2 identical alleles for a trait, it is known as _____ or a _____.

Choose the 2 terms that apply.

• heterozygous

• homozygous

• purebred

• hybrid

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

States that genes for different traits are inherited independently of one another. (ex:pea color and pea shape)

• Law of Dominance

• Law of Independent Assortment

• Law of Segregation

States that the two alleles for a trait separate during gamete formation and that a parent will pass down one allele at random to their offspring.

• Law of Dominance

• Law of Independent Assortment

• Law of Segregation

Tags

NGSS.HS-LS3-2

In rabbits, brown fur color is dominant to white fur color. Which of the following genotypes will result in brown fur?

Choose all that apply.

• BB

• bb

• Bb

Tags

NGSS.HS-LS3-1

In rabbits, brown fur color is dominant to white fur color. Which of the following genotypes will result in white fur?

Choose all that apply.

• BB

• bb

• Bb

Tags

NGSS.HS-LS3-1