5 Answered Questions for the topic embryology

01/15/22

What's the difference between germ cells, sex cells and gametes
Germ cells Sex cells Gametes
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06/24/19

Can 12 mitotic divisions produce 6000 nuclei?
The following quote is from "Principles of Development" by Tickle & Wolpert: "After fertilization and fusion of the sperm and egg nuclei, the zygote nucleus undergoes a series of rapid mitotic... more
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Embryology Botany

05/26/19

Ploidy of Central cell in embroidery sac?
In the unfertilized embryo sac in angiosperms, is the central cell considered to be haploid or diploid? Though it has two polar nuclei but both of them are haploid, so I don't think it can be... more
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05/02/19

What is the optimal time to implant embryo in uterus for in vitro fertilization?
What is the best time to implant an embryo in the uterus. I was under the impression that the earlier the better and more natural, but also if you wait until the blastocyst age, it may be better to... more
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Embryology Anatomy Evolution

03/19/19

Evolutionary reason behind sharing the same path for food and air?
What is the evolutionary reason behind sharing the same path for food and air? For example, we have a nose and lungs, yet they are linked by the pharynx, which is shared with the mouth and... more
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