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olga_2 [115]
2 years ago
11

Read the article to learn more about the disorders that can occur when there is an irregular number of chromosomes. human chromo

somal disorders explain how nondisjunction can lead to aneuploidies.
Biology
1 answer:
nikdorinn [45]2 years ago
6 0

Answer:

In nondisjunction, if members of a pair of homologous chromosomes do not move apart during meiosis I or sister chromatids fail to separate during meiosis II, this means one gamete receives 2 of the same kind of chromosome and if either one of these abnormal gametes unites with a normal one at fertilization, the zygote will also have an abnormal number of particular chromosomes; which is known as aneuploidy.

Explanation:

Worked for me on edge 2022.

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As a biologist working with a cell culture, you notice that the ends of the chromosomes are decreasing in size after each cell d
S_A_V [24]

Answer:

In the given case, it can be concluded that very less amount of telomerase is being produced.

Explanation:

Terminal transferase or telomerase refers to a ribonucleoprotein that supplements a telomere repeat sequence to the 3 prime terminals of telomeres. A telomere is present at each terminal of the chromosomes found in the majority of eukaryotes. It helps in safeguarding the terminals of the chromosomes from destruction or from getting combined with the adjacent chromosomes.  

Telomerase has its own RNA molecule and works as a reverse transcriptase enzyme. Generally, telomerase is found active in gametes, in stem cells, and in the majority of cancer cells, however, it is generally present in low concentration or is absent in the majority of somatic cells. Thus, the decrease in the ends of the chromosomes suggests that the production of telomerase is taking place at low levels.  

7 0
2 years ago
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Nataly_w [17]

Answer:

The correct answer to fill in the blank is: D) men.

Explanation:

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Since men are the group with the higher risk, they can benefit more from changes in their lifestyle like exercising and having healthy diets.

6 0
3 years ago
What is one major function of the endomembrane system? producing and storing energy, transporting subtances in a cell, manufactu
Umnica [9.8K]
One major function of the endomembrane system is transporting substances in and out of a cell.
5 0
3 years ago
What role do restriction enzymes play in the analysis of eDNA? A. They sort different sized DNA fragments into a banding pattern
Semenov [28]
<span>The enzymes are used to cut DNA sequences into smaller pieces. Therefore the answer is D.They break DNA into fragments that vary in size.</span>
3 0
2 years ago
The one cell that develops when two gametes fuse during fertilization is the beginning of a new person. This one cell is known a
IgorC [24]
<h2>Answer</h2>

The one cell that develops when two gametes fuse during fertilization is the beginning of a new person. This one cell is known as a(n) <u>Zygote</u><u>.</u>

<h3>#CarryOnLearning</h3>

\mathfrak{WatanabeHaruto}

3 0
2 years ago
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