Answer:
A few thousand years old.
16 x 2 = 32
Since chromosomes in the nucleus exist in pairs, human body cell contains 46 chromosomes arranged in 23 pairs.
Gametes are haploid, so their nucleus only contains a single set of 23 unpaired chromosomes.
Answer: it would be similair everyone get half of thier Dads DNA and half of the moms DNA I hope this helps
Nitrogen- major part of chlorophyll in plants, which absorbs light energy for the process of photosynthesis.
Magnesium-maintains normal muscle and nerve function.
Calcium-building strong bones and teeth.
