Science

1. Which of the following traits is acquired?

A.) The number of petals that grow in a plants flower
B.) the wing shape of a wild bird
C.) The ability of some gorillas to learn sign language**
D.) A cheetah’s ability to run faster than any other land animal

2. The height of a plant is dependent upon

A.) genes**
B.) environment
C.) both genes and environment
D.) neither genes or environment

3. A gene is to a chromosome as

A.) a pea is to its pod**
B.) a front is to its back
C.) a bike is to a car
D.) a building to its window

4. What is Heredity?

A.) Heredity is acquired later in life
B.) Heredity is the study of reproduction
C.) Heredity is the process of having offspring
D.) Heredity is the passing of traits from parent to offspring**

5. How can an offspring inherit a recessive trait?

A.) An offspring can inherit a recessive trait if 1 of its parents has the trait and the other is homozygous for the dominant trait**

B.) An offspring can inherit a recessive trait if 1 of its parents is heterozygous for the recessive allele and the other is homozygous for the dominant allele

C.) An offspring can inherit a recessive trait if both of its parents are homozygous for the dominant trait

D.) An offspring can inherit a recessive trait if both its parents is heterozygous for the dominant trait

6. In humans, the allele for curly hair and the allele for straight hair show incomplete dominance. The offspring of a curly-haired person and a straight-haired person will have

A.)curly hair
B.)straight hair
C.)wavy hair**
D.)both curly and straight hair

7. In humans, the allele for curly hair and the allele for straight hair show incomplete dominance. If two people with wavy hair have offspring, what percentage of their offspring would you expect to have wavy hair?

A.) 100%
B.) 75%
C.) 50%***
D.) 25%

  1. 👍 0
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  3. 👁 892
  1. 1. right
    2. wrong
    3. right
    4. right
    5. wrong
    6. right
    7. right

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    2. 👎 0
  2. aaaaaaaaaa, help !!

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  3. so you're telling me its been almost 5 years with no answers

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  4. Honestly

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  5. I have a quick check that i have to do

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