Meiosis does not always occur without any difficulties. discribe what occurs during nondisjunction and the effect on the resulting cells?

Nondisjunction causes an odd number of chromosomes in gametes, The result is an abnormal number of chromosomes. This happens in anaphase I or II. If you have an odd number of chromosomes, they can not line during metaphase and be dragged apart. This makes a person infertile.

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explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.