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Scilla [17]
4 years ago
6

Why are certain bacterial infections difficult to treat with antibiotics? A) The bacteria are complex and require fungicides ins

tead of antibiotics. B) The bacteria are protected by the host cell from the antibiotics. © The bacteria are too small to be destroyed by the antibiotics. D The bacteria are resistant to the antibiotics.​
Biology
1 answer:
blagie [28]4 years ago
6 0

Answer:

i have depression 12345

Explanation:

trust me i'm smart

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Cross a person who does not have freckles and is heterozygous for dimples with a person who has
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Answer:

1. 1/2

2. 1/2

3. 1/4

Explanation:

Let the allele for freckles be A or a while that of dimples be B or b.

A person without freckles but heterozygous for dimples = aaBb

A person who has freckles (whose mother has no freckles) but no dimples = Aabb

      aaBb    x    Aabb

Offspring

4 AaBb - freckled and dimpled

4 Aabb - freckled and non dimpled

4 aaBb - non freckled and dimpled

4 aabb - non freckled and non dimpled

1. <em>Probability that the parents will have a dimpled child</em> = 8/16 or 1/2

2. <em>Probability that they will have a child with freckles</em> = 8/16 or 1/2

3. <em>Probability that they will have a child with freckles and dimples</em> = 4/16 or 1/4

<u>See the attached image for the Punnet's square analysis of the cross</u>

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Which of the following events represents a disruption in access to the energy source needed by an organism?. . A. A weed is upro
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The best representation is "C. A cactus is moved from a sunny windowsill to a dark room..", because the cactus feed itself with photosyntesis.

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A geologist is studying layers of rock. He finds a fossil with an imprint of one of the earliest shelled animals. According to t
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