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miv72 [106K]
3 years ago
5

Which mechanism of genetic variation results from the exchange of gene segments between non-sister chromatids? Select one of the

options below as your answer:
A. Crossing over
B. Independent assortment
C. Random fertilization
Biology
2 answers:
Marysya12 [62]3 years ago
6 0
A) Crossing over is the mechanism of genetic variation that results from the exchange of gene segments between non-sister chomatids.
Travka [436]3 years ago
5 0
Crossing over<span> occurs between prophase 1 and metaphase 1 and is the process where homologous chromosomes pair up with each other and exchange different segments of their genetic material to form recombinant chromosomes. It can also happen during mitotic division, which may result in loss of heterozygosity.</span>
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PLEASE HELP!! im despratte
Alex73 [517]

Answer:

Template strand = complementary strand

GCA AG = CGT TC

TTA CG = AAT GC

GAT AC = CTA TG

CGG AT = GCC TA

DNA strand = mRNA strand

CGA TT = GCU AA

GCT TA = CGA AU

GCA TC = CGU AG

TTC AT = AAG UA

It is more important for DNA replication to be exact than transcription or translation because any error that occurs during DNA replication if not repaired will become permanent and will be transferred to the next generation.

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See the attached file

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