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Vadim26 [7]
3 years ago
13

If only a single member of a pair of chromosomes is present in a cell, it is a _____ condition and is most likely a _____ cell.

Biology
1 answer:
sashaice [31]3 years ago
8 0
The answer is <span>B. haploid; reproductive.

</span><span>A haploid cell contains half the number of chromosomes found in the diploid cell, namely, it contains only one set of chromosomes. So, the condition must be haploid. The gamete cells in the organism are sperm cells and egg cells, thus, reproductive cells. So, the condition must be reproductive.</span>
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What are stem cells?
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Answer:

Stem cells are cells with the potential to develop into many different types of cells in the body. They serve as a repair system for the body. There are two main types of stem cells: embryonic stem cells and adult stem cells

Explanation:

Totipotent (or Omnipotent) Stem Cells.

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5 0
2 years ago
How many chromosomes are in a haploid cell?
Inga [223]

First you must know that a diploid cell has double the amount of chromosomes of a haploid cell. A diploid cell has 46 chromosomes. When we divide 46 by 2 you get 23. This means that there are 23 chromosomes in a haploid cell.

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4 0
2 years ago
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A woman produces an egg with 24 chromosomes, including 2 copies of chromosome 21. If the egg is fertilized by a normal sperm, th
Zielflug [23.3K]

Answer:

47

Explanation:

We all know that gametes like egg cell and sperm have haploid set of chromosomes but here as per this question she has produced 2 copies of chromosome 21. For the sake of maintaining haploidy, she was supposed to have only a single copy of chromosome 21 as a result of which her egg cell was supposed to have 23 chromosomes not 24.

But, this is a case of non dis-junction. Also, in a normal sperm there are no such copies of any chromosome i.e. there is a haploid set of chromosomes. It means that sperm must be having only 23 chromosomes. So we can easily infer that when the egg cell and sperm will fuse, the zygote will have 47 chromosomes (24 from egg cell and 23 from sperm).  

6 0
3 years ago
What is the difference between diplold and haplold cells?
meriva

Answer:

the number of chromosome sets found in the nucleus

Explanation:

7 0
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The Venn diagram compares aerobic respiration and anaerobic respiration.
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Produces water should be in the only aerobic section of the diagram. Aerobic respiration end products are carbon dioxide and water. Anaerobic respiration end products are lactic acid in animals and carbon dioxide and ethanol in yeast and plants. (: 
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3 years ago
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