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Fynjy0 [20]
3 years ago
6

Question 8

Biology
1 answer:
svp [43]3 years ago
5 0

Answer:

The correct option is<em> B) Meiosis provides for chromosomal variation in the gametes produced by an organism.</em>

Explanation:

Meiosis can be described as a cell division process by which the chromosome number gets reduced to half. This is because half of the chromosomes will come from the female parent and half of the chromosomes will come from the male parent in the offsprings that will be produced when they interbreed.

During the process of meiosis, crossing over and homologous recombination of chromosomes occurs which allows genetic variations among species.

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21. Place the events in the correct order:
cestrela7 [59]

Answer:

DNA helicase unwinds DNA

Replication fork is formed

DNA polymerase attaches to the primer

DNA polymerase adds nucleotides in the 5' to 3' direction

Okazaki fragments are bound together by ligase

Explanation:

8 0
3 years ago
In mitosis, each chromosome is made up of __________ that carry the same alleles.
dolphi86 [110]

Answer: Option A) sister chromatids

In mitosis, each chromosome is made up of sister chromatids that carry the same alleles.

Explanation:

During the fourth phase of mitosis (Anaphase) the sister chromatids part company and migrate to the opposite poles, each with the same alleles since no crossing over occurred.

Thus, mitosis results in two daughter cells that have the same chromosome make-up as the original parent cell.

8 0
3 years ago
Read 2 more answers
Why do nylon eating bacteria adapt
Pani-rosa [81]

Answer:

just search it up you will find the answer

7 0
3 years ago
When you break down maple syrup into smaller units, these units are called
victus00 [196]

Answer:

This question lacks options, the options are:

a. nucleotides b. monosaccharides c. RNA d. triglycerides

The answer is B. Monosaccharides

Explanation:

Monosaccharides are the simplest units of carbohydrates. They contain one units of sugar, hence, are commonly called simple sugars. Monosaccharides include glucose, fructose etc. They contain basically carbon, hydrogen and oxygen elements in their structure.

Maple syrup is a syrup majorly composed of carbohydrates used generally as a sweetening purposes. It is extracted from trees of sugar maple and other maple species. Since the syrup is principally composed of sugar (carbohydrate), it is broken down to the simplest unit of any carbohydrate molecule called MONOSACCHARIDE.

3 0
4 years ago
If a cat normally has 38 chromosomes in its somatic (body) cells, how many chromosomes will be in its gametes? A. 76 B. None of
mario62 [17]
A. 76
………………………………………
3 0
3 years ago
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