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viktelen [127]
3 years ago
10

Why must the number of chromosomes in the sperm and egg be half the number of chromosomes in the other cells of an organism?

Biology
2 answers:
Tcecarenko [31]3 years ago
6 0
Bc it shares both parent genes
VashaNatasha [74]3 years ago
4 0

Answer:

when fertilization takes place, the half of the chromosomes from the egg combine with the half of the chromosomes from the sperm to form a full 23 pairs of chromosomes which contain the genes of the offspring.

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6. The thin delicate membrane just attached to the cytoplasm is: [MOE 2061] (a) Ectoplasm (b) Endoplasm (c) Tonoplast (d) Protop
Westkost [7]

Answer:

cell membrane

Explanation:

4 0
3 years ago
Why does geographic isolation cause speciation?
zimovet [89]

Answer:

A. It allows two populations to evolve separately.

Explanation:

Geographic isolation is theorized to have catalyzed the formation of new species. Let’s say groups A and B of a bird species get separated by something, and they can’t cross between to interbreed or exchange alleles.

We describe this as no gene flow, which is the opposite of choices C and D. Because of this, they may diverge if given enough time due to the difference in environmental pressures, because they’re now in different environments.

B is incorrect because it doesn’t apply.

3 0
3 years ago
Read 2 more answers
What is element. give 3 example​
IRINA_888 [86]

Answer:

An element is. a parcel where it is made up of only one kind of particle called atom is known as element.

eg. oxygen

hydrogen

gold

silver

carbon

Explanation:

hope it helps you

4 0
2 years ago
Why is it difficult to bond three phosphate groups to Adenosine?
ohaa [14]
I think that answer is they are like Opposite poles of magnet.

I really hope it’s right
3 0
2 years ago
Pls me asap i took notes but couldn't find the note for this one
mamaluj [8]

Answer:

The problem needs to be stated at the beginning of the process.

Explanation:

Conclusions are formed at the end.

It is VERY important to form a hypothesis.

And data can be analyzed many many ways.

5 0
3 years ago
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