Punnett Squares and Inheritance Quiz

Traits that are expressed through genes can be inherited. Characteristics that are acquired through environmental influences cannot be inherited. Select all of the characteristics below that can NOT be inherited.

• Eye color

• Scars

• Ability to play the piano

• Skin color

• Lost tail from predator

Tags

NGSS.MS-LS3-2

The physical expression of a trait in an organism is known as the _____.

Which of the following Punnett Squares is completed correctly?

• Top left square

• Top right square

• Bottom left square

• Bottom right square

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

NGSS.HS-LS3-2

An organism with the genotype Rr is crossed with an organism that also has the genotype Rr. What is the probability that these two organisms would have offspring that are right-handed? The gene for dominant hand is represented by: R = right-handed r = left-handed

• 0%

• 25%

• 50%

• 75%

• 100%

What traits are inherited? (multiple answers)

• Riding a bike

• Eye color

• Dimples

• Hair color

Tags

NGSS.MS-LS3-2

NGSS.MS-LS3-1

NGSS.MS-LS4-4

In squash plants, yellow fruit (Y) is dominant to white fruit (y). If two heterozygous plants are crossed, what are the possible genotypes of the offspring?

• YY, Yy, yy only

• YY, yy only

• yy only

• Yy only

It takes two recessive alleles (letters) to show the recessive trait.

• True

• False

In some plants tallness (T) is dominant to shortness (t). After completing the Punnett Square shown above, what PHENOTYPE percentage would result from this cross?

• 100% tall

• 75% tall, 25% short

• 25% TT, 50% Tt, 25% tt

• 50% heterozygous, 50% homozygous

Tags

NGSS.HS-LS3-1

The allele in rabbits for short hair (H) is dominant to long hair (h). What are the probable offspring phenotypes from a cross between parents that are both Hh?

• 25% HH; 50% Hh; 25% hh

• 50% HH; 50% hh

• 50% short hair; 50% long hair

• 75% short hair; 25% long hair

A _______________ is an educated guess or prediction about how something works in nature.