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-Dominant- [34]
3 years ago
6

The time period from conception to birth is called It is further divided into three periods called . How many sperm cells can fe

rtilize an egg? The fusing of an egg and sperm forms a
Biology
2 answers:
yawa3891 [41]3 years ago
6 0
First question- This period is called gestational period
Second question- it is further divided into
* First trimester (week 1-12)
* Second trimester(week 13-27)
* Third trimester(week 28-40)

Third question- Although millions of sperm cells are ejaculated, only one cell ferterlizes the egg

Fourth question- Sperm and egg fuse to form a diploid cell called a zygote.
eduard3 years ago
5 0

The time period from conception to birth is called gestation

It is further divided into three periods called trimesters

How many sperm cells can fertilize an egg? one

The fusing of an egg and sperm forms a zygote

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