AnswersIS - O - 3490 - The Living Earth B CP OnlineLab: Mouse Genetics (One Trait)

Non-Mendelian Inheritance Answers

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1
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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
2
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Which type of traits vary quantitatively due to the interaction of multiple genes?

A
polygenic
B
codominant
C
incomplete dominant
D
dominant
3

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
4

Skin color, fur color, and height are examples of which inheritance pattern?

A
Mendelian inheritance
B
incomplete dominance
C
codominance
D
polygenic inheritance
5

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.
6

Pietro has two dogs that are related, and he wants to understand why one of the dogs has tan fur and the other has brown fur. Which pattern of inheritance would explain the different fur color in the related dogs?

A
polygenic inheritance
B
codominance
C
incomplete dominance
D
quantitative inheritance
7

Which inheritance pattern results when parents with pure traits are crossed and the resulting offspring have traits that appear to be a blend of the parents' traits?

A
incomplete dominance
B
codominance
C
Mendelian inheritance
D
polygenic inheritance
8

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–
9

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
10

The allele for curly hair is incompletely dominant. If a mother is homozygous for curly hair and the father is homozygous for straight hair, what percentage of the offspring will exhibit characteristics of both parents?

A
25 percent
B
50 percent
C
75 percent
D
100 percent
11

Error

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12

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13

Error

Answer not available
14

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.
15

A purebred purple flowering plant is crossed with a purebred white flowering plant, and they produce offspring that have purple flowers. Which is the trait for purple flowers?

A
dominant
B
recessive
C
codominant
D
blended
16

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
17

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.

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