Variations on Mendelian Genetics

Pictured is the flower of the offspring from the cross of two true-breeding plants both uniform in a single color. This inheritance pattern is most likely_____.

• complete dominance

• codominance

• incomplete dominance

• recessive

Tags

NGSS.HS-LS3-1

Hair texture in humans is curly (H) or straight (h). The heterozygous condition demonstrates wavy hair. A curly-haired woman and wavy-haired man marry and have some children. Which of the following statements about the offspring are true? (mark all that apply)

• 100% chance of curly-haired

• 50% chance of wavy-haired

• Only genotypes of HH & Hh are shown in offspring

• Only genotypes of hh & Hh are shown in offspring

• Demonstrates an incomplete inheritance pattern

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An erythrocyte is a red blood. If a galactose is attached to the glycoprotein straight chain it is the B-antigen. If a n-acteylgalatosamine is attached to the straight chain it is the A-antigen. Based on the diagram, what ABO group is present?

• A

• B

• AB

• O

Which of the following statements are true regarding this blood group Punnett square? (mark all that apply)

• One parent is AB blood group

• The offspring have a 50% chance of AB blood group.

• The offspring have a 50% chance of BB blood group

• One parent is O blood group.

• All the offspring will be one of the two possible blood groups of their parents.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

George and Jade are a brother and sister who are fraternal twins. George is O blood group and Jade is A blood group. Which of the following statements are true regarding their parents? (mark all that apply).

• One parent must be O blood type

• One parent must be AB blood group.

• Both parents must have at least one "i" for the genotype

• One parent must have at least one "A" for the genotype

• One parent must have at least one "B" for the genotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A 23 year-old male is admitted to the emergency room from a car accident. He has lost blood and will need transfused. He is type and crossed as blood type B+. Which of the following blood types could be hung safely to replenish the lost blood? (mark all that apply)

• B-

• A+

• O+

• O-

• AB-

Tail length in Cocker Spaniels is an incompletely dominant trait (long, medium or short). A breeder mated two, medium-tailed dogs. The breeder is expecting a litter of 8 puppies in about a month. How many of the puppies are probably medium-tailed dogs?

• 0

• 2

• 4

• 8

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Using the diagram, determine which inheritance pattern is shown for wheat kernel color.

• Sex-linked

• Incomplete Dominance

• Polygenic

• Codominance

Skin color follows a polygenic inheritance pattern in humans. A, B, and C alleles present result in the production of melanin, which results in darker skin colors. X indicates that allele is not present. Which of the following individual genotypes are the same skin color? (mark all that apply).

• AABBCC

• AAXXCX

• XXXBCX

• XXBBCC

• AXXBCX

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following example(s) of inheritance patterns have only four phenotypes when expressed (mark all that apply)?

• Incomplete dominance of flower color

• Codominance of blood types

• Dominance of Rh factor

• Polygenics of skin color

• Dihybrid of pea plant height and flower color