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16 St. 15 Min, 15 März 2002 Jahr - Fertilization

Beschreibung:

The zygote forms when the sperm and egg come together in one of the fallopian tubes. The newly-formed zygote gets 23 chromosomes from each parent, so has 46 in total. The different chromosomes will determine different traits the baby has. This ranges from their sex to how they physically appear.

Zugefügt zum Band der Zeit:

Josephine - Growth and Development

ByJosphine
8 Dez 2017
0
0
428

Datum:

16 St. 15 Min, 15 März 2002 Jahr
Jetzt
~ 23 years ago

Abbildungen:

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