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balu736 [363]
3 years ago
6

Please help and no file

Biology
1 answer:
beks73 [17]3 years ago
8 0

Answer:

The correct answer is -

Activity is the study of human karyotype

There are 22 autosomes

The sex chromosome has one copy of the X chromosome and one copy of the Y chromosome.

Explanation:

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Homologous chromosomes may exchange segments; this is called crossing over. crossing over increases genetic variability. when do
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A trade of chromosome segments among non-sister homologous chromatids happens and is referred to as crossing over.

Crossover happens while  chromosomes, usually  homologous times of the equal chromosome, spoil after which reconnect however to the specific quit piece. If they spoil on the equal location or locus withinside the collection of base pairs, the end result is an trade of genes, referred to as genetic recombination.

<h3>What are homologous chromosome?</h3>

Homologous chromosomes are made from chromosome pairs of about the equal length, centromere position, and marking pattern, for genes with the equal corresponding loci.

Thus it s well expalined.

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brainly.com/question/795778

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<em><u>As the instructor, you supply the carbon source by blowing bubbles in phenol red. The carbon dioxide in your breath will dissolve in water to form carbonic acid, which lowers the pH of the solution. Phenol red turns yellow in a pH lower than 7, revealing in this case the presence of a carbon source.</u></em>

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