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Goryan [66]
3 years ago
15

The expected number of chromosomes in human body cells is 46. Fruit flies have only 8 chromosomes, mulberry trees

Biology
1 answer:
Alex_Xolod [135]3 years ago
8 0

Answer:

always 23 becoz of the evolution

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option 1

Explanation:

In assemblying the nucleosome, this reaction occurs in two main steps. the H3 and H4 are recruited first to the DNA in pairs forming the H3/H4 tetramer; meaning two of H3 and two of H4. This gives rise to the nucleosome precursor. Then after this, the dimers of both H2A/H2B are recruited to this precursor, to give rise to the octamer structure around which the DNA is wrapped.  

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