X Recessive Traits Punnett

A trait that is hidden by the presence of a dominant trait is known as a _____ trait.

• coy

• demure

• modest

• recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A/n _____ trait is a trait that prevents or masks the showing of another trait.

• controlling

• dominant

• influential

• superior

Tags

NGSS.HS-LS3-1

In a Punnett square, a lower case letter stands for a ____________ allele.

• dominant

• recessive

• homozygous

• heterozygous

In animals, shaggy fur is dominant to short fur. According to the genotypes shown, what percent of offspring will have short fur?

• 0

• 25

• 50

• 75

• 100

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

T = tall and t = short

In the punnett square shown, what belongs in the missing square

• tt

• Tt

• Bb

• TT

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following alleles is homozygous (purebred) recessive?

• Tt

• tt

• TT

• t

In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS4-3

A recessive allele is represented by a ______ letter.

• lower-case

• capital

In a Punnett square, what does a lowercase letter represent?

• Dominant allele

• Recessive allele

• Homozygous allele

• Heterozygous allele

Which of the following represents a homozygous recessive genotype?

• Tt

• tt

• TT

• t