AnswersBiology_A_ICMitosis

Week 8: Non-Mendelian Inheritance Answers

0 verified answers1 views
1
Free Preview

John and Pat are identical twins with identical DNA. John works in a movie theater, and Pat works as a lifeguard. They have very different skin pigmentation. Which is the best explanation of the difference?

A
Skin color, a polygenic trait, is also determined by environmental factors.
B
Skin color, a polygenic trait, is also determined by the sex of the individual.
C
Skin color, a trait that demonstrates incomplete dominance, is also determined by environmental factors.
D
Skin color, a trait that demonstrates incomplete dominance, is also determined by the sex of the individual.
2
Free Preview

If a red cow (homozygous dominant) is crossed with a white cow (homozygous dominant), what alleles will the offspring have?

A
Rw
B
RW
C
rW
D
rw
3

Which type of traits vary quantitatively due to the interaction of multiple genes?

A
polygenic
B
codominant
C
incomplete dominant
D
dominant
4

If blood is in short supply, which blood type would be the most beneficial to have on hand if someone needed a blood transfusion?

A
O+
B
O–
C
AB+
D
AB–
5

How did the discovery of the rhesus factor affect society?

A
More patients died from having a transfusion with the wrong rhesus factor.
B
New treatments during pregnancy could prevent harm to the developing child.
C
Less donated blood could be used in the treatment of patients.
D
The number of blood types was reduced by half.
6

The graph demonstrates the quantitative variation for skin pigmentation.Which conclusion is supported by the graph?

Question illustration
A
More than half of the population has the central skin pigmentation.
B
The lightest and the darkest skin pigmentations are equally common in the population.
C
The central skin pigmentation makes up more of the population than the rest of the skin pigmentation groups combined.
D
Fewer people have skin pigmentation lighter than the central peak than people who have pigmentation darker than the central peak.
7

If you inherit the genotype AO for blood from your parents, what blood type do you have?

A
A
B
B
C
AB
D
O
8

Which statement best describes human eye color?

A
an incompletely dominant trait that follows non-Mendelian inheritance patterns
B
a polygenic trait that follows non-Mendelian inheritance patterns
C
an incompletely dominant trait that follows Mendelian inheritance patterns
D
a polygenic trait that follows Mendelian inheritance patterns
9

Which was not a result of the 1898 discovery of the four blood types and advances made during the two World Wars?

A
improved blood transfusion safety
B
effective blood preservation solutions developed
C
ability to separate different parts of blood for different uses
D
all blood types were made universally compatible
10

Why is it important to know a person's rhesus factor before a blood transfusion?

A
A patient who is Rh+ can receive only Rh– blood.
B
A patient who is Rh– can receive only Rh+ blood.
C
A patient who is Rh+ can receive only Rh+ blood.
D
A patient who is Rh– can receive only Rh– blood.

Did you find these answers helpful?

More from this Course

Quiz
10 verified answers

Mitosis

Quiz
10 verified answers

Mitosis

Quiz
10 verified answers

Mitosis

Week 8: Non-Mendelian Inheritance Answers —…