Genetics Quiz Review

If a pea plant were homozygous recessive for height, how would its alleles be represented?

• TT
• Tt
• tt
• tT

Tags

NGSS.HS-LS3-1

What do the letters inside the grid of a Punnett square represent?

• phenotypes of parents
• genotypes of offspring
• testcrosses of offspring
• chromosomes of parents

Tags

NGSS.HS-LS3-2

The ____ trait is expressed even if present with a contrasting recessive allele.

• dominant

• recessive

• neutral

Tags

NGSS.HS-LS3-3

An organism is ____ if they have two different alleles for a trait.

• homozygous

• heterozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An organism is ____ if they have identical alleles for a trait.

• homozygous

• heterozygous

The ____ is the physical appearance of an organism.

• genotype

• phenotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The ____ of an organism is the genetic makeup.

• phenotype

• genotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Refer to the picture. What is the genotypic ratio of the offspring?

• 1YY:2Yy:1yy

• 4Yy

• 3Yy:1yy

• 2Yy:2yy

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Refer to the picture. What is the phenotypic ratio of the offspring?

• 4 yellow

• 2 yellow;2 green

• 4 green

• 3 yellow:1 green

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What would show a dominant trait?

• mm
• hh
• Nn
• yedhcjvifjfdk

Tags

NGSS.HS-LS3-1