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-BARSIC- [3]
3 years ago
13

I need help last option is extrusive igneous

Biology
2 answers:
zloy xaker [14]3 years ago
7 0

Answer:

B I think. tell me if it's correct

Sergio [31]3 years ago
3 0
I’m pretty sure it’s B.
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Chiasma is the connecting link between two non sister chromatids from homologous chromosomes. At chiasma chromosomal crossover takes place in which the genetic material is exchanged between the chromatids. During meiosis aneuploidy occurs if chiasma is absent or impaired due to a mutation in genes encoding for proteins involved in chiasma formation.

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