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Mademuasel [1]
3 years ago
12

How many cells are in zygote

Biology
2 answers:
Olin [163]3 years ago
5 0

Answer:

In humans, both sperms and ova contain 23 chromosomes.

Explanation:

During fertilization, the diploid chromosome number 46 is regenerated in the zygote. After 24 hours of fusion, human zygote starts to divide by mitosis, commencing the embryonic period. The zygote is divided into 2-cells, 4-cells, 8- cells and then 16-cells

Ivenika [448]3 years ago
3 0

Answer:

two cells, then four cells, eight cells, 16 cells, and so on.

Explanation:

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Answer:

\mathbf{cummulative \ incidence = \dfrac{60}{1000}}

Explanation:

We recognize that total occurrence equals new cases of disease over time divided by the number of people at risk at the onset.

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\mathbf{cummulative \ incidence = \dfrac{New \ cases \ of \ disease \ occurrence}{Number  \ of \ population \ at \ risk \ at \ onset}}

Given that:

Number of the population at risk = 1000 individuals

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At 20 occurred on June 30 & 40 on Sept. 30) & no new cases were identified after that:

∴

\mathbf{cummulative \ incidence = \dfrac{60}{1000}}

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