Genotypes provide information about ______

13 Jun Genotypes provide information about ______

Question
Question 1

Select one answer.

10 points

Genotypes provide information about: ______________.

·
Proteins

·
Carbohydrates

·
Lipids

·
DNA

Question 2

Select one answer.

10 points

Two heterozygous individuals are crossed. What percentage of their offspring will be heterozygous?

·
75%

·
50%

·
25%

·
100%

Question 3

Select one answer.

10 points

Which of these discusses genotypes rather than phenotypes.

·
The offspring of these flowers can be either red or white.

·
The male mouse is homozygous dominant.

·
Lactose intolerance can be due to a missing protein (the enzyme that digests lactose).

·
All of these discuss genotypes

Question 4

Select one answer.

10 points

Red flower color is incompletely dominant to white flower color. Two red flowers are crossed. What percentage of their offspring will be red?

·
25%

·
75%

·
50%

·
100%

Question 5

Select one answer.

10 points

In peas purple is dominant to white for flower color. A purple flower is crossed with a white flower. All the offspring (over 100 plants) produce purple flowers. What is the genotype of the purple flower?

·
Either PP or Pp

·
PP

·
Pp

·
pp

Question 6

Select one answer.

10 points

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This trait is _______________.

·
Sex-linked dominant

·
Sex-linked recessive

·
autosomal recessive

·
autosomal dominant

Question 7

Select one answer.

10 points

In humans, the condition for normal blood clotting (H) is dominant to hemophilia (h). A male who has normal blood clotting mates with a woman who is a carrier. If they have a son, what is the probability that he will have this condition?

·
50%

·
0%

·
100%

·
75%

Question 8

Select one answer.

10 points

A female produces gametes

·
That have 2 X chromosomes

·
that have a Y chromosome only

·
that have either an X or a Y chromosome

·
that have an X chromosome only

Question 9

Select one answer.

10 points

Huntington’s disease is an autosomal dominant disorder. A person with the disorder and a person without the disorder mate. Both of these individuals are homozygous. What is the chance that the offspring will develop Huntington’s?

·
100%

·
75%

·
50%

·
25%

Question 10

Select one answer.

10 points

Use the following information to answer the following four questions.

In dogs, colored fur (E) is dominant to un-colored fur (e). Black fur color (B) is dominant to brown fur color (b). The E gene is epistatic to the B gene. A yellow male dog is mated to a black female. The male’s parents were both brown dogs. The female’s mother was yellow, and her father was brown.

Q1 of 4: What is the genotype of the male dog in this example?

·
eeBB

·
ee

·
eebb

·
eeBb

Question 11

Select one answer.

10 points

Q2 of 4: What is the genotype of the female dog in this example?

·
EEBB

·
EeBb

·
EeBB

·
EEBb

Question 12

Select one answer.

10 points

Q3 of 4: What percentage of their puppies will be yellow?

·
100%

·
75%

·
50%

·
25%

Question 13

Select one answer.

10 points

Q4 of 4: What percentage of the puppies will be homozygous for the B gene?

·
100%

·
75%

·
50%

·
25%

Question 14

Select one answer.

10 points

Alleles are different versions of a

·
Chromosome

·
Gene

·
Genotype

·
Phenotype

Question 15

Select one answer.

10 points

In humans, the condition for normal blood clotting (H) is dominant to hemophilia (h). A male who has normal blood clotting mates with a woman who is a carrier. If they have a daugher, what is the probability that she will have this condition?

·
50%

·
0%

·
75%

·
100%

Question 16

Select one answer.

10 points

In dogs, colored fur (E) is dominant to un-colored fur (e). Black fur color (B) is dominant to brown fur color (b). The E gene is epistatic to the B gene. A brown male dog is mated to a black female. Both the male and female are homozygous at all loci. What percentage of the puppies will be black?

·
0%

·
25%

·
100%

·
75%

·
50%

Question 17

Select one answer.

10 points

In humans tongue rolling (T) is dominant to non-rolling (t). Two heterozygous individuals have a child. What is the probability that their child will be able to roll its tongue?

·
100%

·
75%

·
50%

·
0%

Question 18

Select one answer.

10 points

Red (R) flower color is incompletely dominant to white (r) flower color. Two pink flowers are crossed. What percentage of their offspring will be pink?

·
100%

·
75%

·
50%

·
25%