Part 1 - Complex Forms of Inheritance

Multiple Choice

Which of the following is homozygous dominant?

• RR

• Rr

• rr

Multiple Choice

Which of the following is homozygous recessive?

• QQ

• Qq

• qq

Multiple Choice

What term denotes the physical expression of a gene?

• genotype

• phenotype

• appearance

• homologous

Open Ended

Which human traits can you think of that do not follow a simple inheritance pattern?

Multiple Choice

The blending of two traits is known as ---

• incomplete dominance

• codominance

Multiple Choice

A red flowered plant (RR) is crossed with a white flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have red (RR) flowers?

• 0%

• 25%

• 50%

• 100%

Multiple Choice

Radish color is incompletely dominant, red and white are pure breeding colors. While heterozygous are purple.

Cros a red radish with a white.

• 4 purple

• 1 red, 2 purple, 1 white

• 2 red, 2 white

• 1 red, 1 purple, 2 white

Multiple Choice

This is an example of ___________.

•  Incomplete Dominance
•  Codominance

Multiple Choice

In chickens, feather color is codominant.  If a black chicken BB is mated with one that is black and white (BW) what are the chances of having a chicken that is black and white?

• 50%
• 0%
• 25%
• 100%

Multiple Choice

In some carnations, flower color exhibits codominance.  Identify the correct genotypes for red, white, and speckled carnations.

• Red = RR, white = rr, speckled = Rr
• Red = RR, white = WW, speckled = rw
• Red = RR, white = ww, Speckled = Rw
• Red = RR, white = WW, speckled = RW

Multiple Select

What 3 alleles are responsible for the phenotypic expression of ABO Blood types?

• I^A

• I^B

• I^D

• i

Multiple Choice

If a person has type B blood, the phenotype is B. What can the genotype be?

• I^BI^B or I^Bi

• I^AI^A or I^Ai

• I^AI^B

• ii

Multiple Choice

If a person has type A blood, the phenotype is A. What can the genotype be?

• I^BI^B or I^Bi

• I^AI^A or I^Ai

• I^AI^B

• ii

Multiple Choice

If a person has type O blood, the phenotype is O. What can the genotype be?

• I^BI^B or I^Bi

• I^AI^A or I^Ai

• I^AI^B

• ii

Multiple Select

If the offsprings have the blood groups O and A the genotype of parents would be

• I^AI^A and I^Ai

• I^A i and ii

• I^AI^A and I^AI^A

• I^A i and I^Bi

Multiple Select

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