Heredity and Inheritance

What is a phenotype?

• The expression of a trait; what you see.
• refers to the genetic makeup of an individual
• An organism that has the same genes for a trait (ex. TT or tt)
• the passing of traits from parent to offspring

Tags

NGSS.HS-LS3-3

A corn plant heterozygous for tall sprouts mates with a corn plant with short sprouts. If tall sprouts are dominant, What is the probability that the offspring will be short?

• 0%

• 25%

• 50%

• 75%

• 100%

If a heterozygous tall pea plant is crossed with a short pea plant, what are the possible genotypes of the future offspring?

• 100% Tt
• 50% Tt, 50% tt
• 75%Tt, 25%tt
• 25%TT, 50%Tt, 25%tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?

• 25%
• 50%
• 75%
• 100%

Tags

NGSS.HS-LS3-1

Y for yellow body is dominant over y for blue body. What genotypes would produce yellow bodies?

• YY,yy

• Yy,yy

• YY only

• YY,Yy

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

Term for an organism that displays two dominant phenotypes at the same time

• codominance

• incomplete dominance

• multiple alleles

• linked genes

What are the blood types of the possible children that a woman (type O) and man (type AB) can have?

• O and AB
• O and A
• O and B
• A and B

Tags

NGSS.HS-LS3-1

A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:

• all black
• all white
• all gray
• speckled black and white

Tags

NGSS.HS-LS3-1

a homozygous white bear and a homozygous black bear produce a heterozygous bear that is both black and white. This is an example of which type of inheritance?

• Incomplete Dominance

• Codominance

• Multiple Alleles

• Polygenic Inheritance