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bogdanovich [222]
3 years ago
5

Which option correctly identifies the number of chromosomes in the cells at each point?

Biology
1 answer:
kodGreya [7K]3 years ago
6 0
Option (A) identifies them correctly.


During Meosis 2 daughter cells are formed from a single cell and the chromosomes are equally divided in both the cells.

So, Cell P had 60 chromosome, after miosis 2 daughter cells of each having 30 chromosomes formed, and again after Miosis of from each of those 2 those daughter cells, 2 more daughter cells are formed with equal naumber of chtomosome which equals 15.
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Tay-Sachs, which is a recessive lethal disease, results only when individuals possess two copies of the disease-causing allele.
VashaNatasha [74]

Answer:

a. Heterozygous individuals may pass on their copy of the disease-causing allele to offspring.

Explanation:

Tay-Sachs, which is a recessive lethal disease  ---- Let say the recessive lethal diseases is s

∴ it only results when an individual posses two copies of the diseases-causing allele i.e two copies of the disease will be ss.

Now, when two hetrozygous individuals crossed , it is obvious that each can pass on their copy of the disease-causing allele to the offspring.

Let show an illustration for the above statement.

Let the heterozygous individual be Ts, if Ts cross with another Ts;

we will have:

Ts × Ts

         T          s

T        TT        Ts

s        Ts          ss

the offspring are TT,Ts,Ts,ss

We can now see how the Heterozygous individuals pass on their copy of the disease-causing allele to the offspring (Ts).

8 0
3 years ago
Which describes the process of cellular respiration?
True [87]

The process of cellular respiration catabolic pathway that breaks molecules into energy

<u>Explanation:</u>

Metabolic pathways consist of two distinct types: catabolic and anabolic. Catabolic deliver energy while breaking down molecules into easier molecules. Cellular respiration is one case of a catabolic pathway. During cellular respiration, sugar is held in by the cell and break to discharge energy that enables us to live.

Cellular respiration is the manner of oxidizing food particles, similar glucose, to carbon dioxide and water. The method transpires in two states:

  • glycolysis, the division of glucose to pyruvic acid
  • the entire oxidation of pyruvic acid to carbon dioxide and water

4 0
2 years ago
After glycolysis occurs, an anaerobic process can take place in the cytoplasm of the cell. what is the major product of this rea
schepotkina [342]
I think it is NAD, this ensures that the NAD can go back to glycolysis where it can again be reduced and go back through anaerobic respiration. 
7 0
3 years ago
Which of the following correctly compares how plant and animal cells differ?<br> (4 points)
a_sh-v [17]

Answer:Which of the following correctly compares how plant and animal cells differ? Plant cells have a cell membrane and cell walls for support, but animal cells do not have cell walls. ... Animal cells have DNA in their nuclei and mitochondria, while plant cells have it in their nuclei, mitochondria, and chloroplasts.

Explanation:

HOPE THIS HELP YU  ALOT REMDEMDER ADD ME ON BRAINLY

7 0
3 years ago
Some vertibrets maintain their body temperature by breaking down food to water enegry. Sunlight or nutrients
murzikaleks [220]

Answer:

Nutrients

Hope this helps

Explanation:

3 0
3 years ago
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