For Science 2018
Brenda, What is fertilisation?
Good thing you asked. Why don't we sit down and I'll tell you.
It starts off when the sperm from the male fuses with the egg, from the female, forming a zygote.
The zygote will have 23 chromosomes from mom and the other 23 from dad. This is so that it'll have a total of 46 chromosomes.
The cell then divides through the process of mitosis. They line up in the middle of the nucleus where they will be pulled apart. They become chromosomes again and each set splits off with their very own cell membrane.
The cell then splits into two, resulting in an identical daughter cell that has the same number of chromosomes as the parent cell. Each new cell will grow and develop again, repeating its process.
Last but not least, the development of the embryo continues as each new cell receives genetic info from mom and dad.
Thank you, Brenda, I really appreciate your help. I'll see you tomorrow. Bye.
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