STRAYER SCI115 WEEK 6 Quiz

• Question 1

2.5 out of 2.5 points

In humans, skin color is controlled by several genes. Thus, skin color is a(n) ____ characteristic.

Selected Answer:

epistatic

Correct Answer:

epistatic

• Question 2

2.5 out of 2.5 points

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

• Question 3

2.5 out of 2.5 points

Cystic fibrosis is a recessive disorder. If a couple, each of whom is heterozygous, have children, what is the probability that they will have a child with cystic fibrosis?

• Question 4

2.5 out of 2.5 points

If a homozygous dominant long-haired dog is crossed with a homozygous recessive short-haired dog, what will be the phenotype of the offspring?

• Question 5

2.5 out of 2.5 points

Males more commonly are affected by X-linked recessive genetic disorders than are females because

• Question 6

2.5 out of 2.5 points

The process by which chromosomes fail to separate during meiosis is called

• Question 7

2.5 out of 2.5 points

Which of the following is NOT true of GMO crops?

• Question 8

2.5 out of 2.5 points

______________ enzymes are able to cut DNA molecules at specific sequences?

• Question 9

2.5 out of 2.5 points

If the nucleotide sequence, ACTGAG, represents the sticky end of a DNA molecule, to what other nucleotide sequence would it “stick”?

• Question 10

2.5 out of 2.5 points

About ____ percent of the human genome is unique to each individual.

• Question 11

2.5 out of 2.5 points

Which of the following sub-disciplines of biology focuses on understanding the entire genetic composition of organisms?

• Question 12

2.5 out of 2.5 points

In agriculture, the use of GMOs is regulated by