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Ivan
3 years ago
14

Humans are responsible for some of the negative changes that occur in nature because they

Biology
1 answer:
densk [106]3 years ago
3 0

Answer:

Create pollution by released carbon dioxide and other harmful gases

Explanation:

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Pavlov's dog stopped salivating to the bell when the food was no longer paired with the bell. This is called:

extinction

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made out of cellls

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3. When creatures have similar traits, what does that tell you about them?
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Which of the following is true?
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During meiosis but not during mitosis, which of the following is true? __.

A haploid gametes are produced that are identical in their allelic composition

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E two identical daughter cells are produced

Answer:

D. genetic variation among the daughter cells is increased

Explanation:

Meiosis is a process where a single cell divides twice to produce four cells containing half the original amount of genetic information. Meiosis occurs in germ cells, as a result; genetic variation among the daughter cells is increased. These cells (germ cells) are our sex cells – sperm in males, eggs in females.

In meiosis, the haploid gametes that are produced are not identical in their allelic composition.

In prophase 1, the chromosome pair up.

During metaphase, The chromosome pairs line up next to each other along the center (equator) of the cell.

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A forensic scientist is trying to find out the number of adenine in the DNA sample that he obtained from a crime scene.
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The right answer is The number of adenine will be equal to the number of thymine.

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