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natali 33 [55]
3 years ago
15

The mechanism that breaks the linkage between linked genes is

Biology
1 answer:
gregori [183]3 years ago
8 0

Answer:

Crossing over

Explanation:

Crossing over is the process during which two chromatids of two homologous chromosomes exchange part of their genetic segments. It occurs during the pachytene stage of prophase I of meiosis I.

Linked genes are mostly inherited together and do not exhibit independent assortment. However, when linked genes are present far apart from each other on the same chromosome, crossing over can occur between them to produce recombinant chromatids. Therefore, crossing over can break the linkage and produce recombinant progeny as it occurs during the independent assortment of unlinked genes.

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Answer: The question is not complete as options are not complete , the remain part are;

A. 3.7 years, photosynthetic bacteria.

B. 3.7 years cyanobacteria.

The correct option is

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Explanation:

This is because cyanobacteria is the oldest fossil to exist and they have been in existence for about 3. 7 billion years. These cyanobacteria photosynthesized because they have thread like chlorophyll filament, they produce food through the process of photosynthesis which is needed for their survival and they release oxygen as bye product.

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Answer:

<u><em>BRIEF EXPLANATION</em></u>

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Explanation:

<em><u>MAIN ANSWER TO THE QUESTION.</u></em>

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In many sciences, interaction has numerous specialized meanings. A basic interaction in physics is the process by which elementary particles interact with one another. Depending on the interaction, it may also be referred to as a fundamental force. A physical field is frequently used to define an interaction, and gauge exchange serves as its mediator.

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