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Semmy [17]
3 years ago
11

Which one is the correct answer?

Biology
1 answer:
Alona [7]3 years ago
3 0

Answer:

<em>The correct option is C) crossing over and independent assortment</em>

Explanation:

Crossing over and independent assortment can be described as the two essential phenomena of meiosis which brings genetic variations. During crossing over, the exchange of DNA segments between homologous chromosomes takes place. Independent assortment allows the chromosomes to assort independently into gametes hence bringing about the different genetic combinations. Hence, the correct option is C.

Other options, like option A, is false because chromosome inactivation will result in an abnormality.  

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Explanation:

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Hey
irga5000 [103]

Statements 1 and 4 are true, while 2 and 3 are false.

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In decomposition reactions, one or more reactants decompose to produce two or more products.

Decomposition reactions with single reactants are known as single decomposition reactions. Those with 2 reactants are known as double decomposition reactions.

Decomposition reactions do not always produce elements. It could be compounds in some cases.

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More on decomposition reactions can be found here: brainly.com/question/8009068

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2 years ago
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MissTica
The third one I believe!
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3 years ago
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Aloiza [94]

Answer:

A hypothesis is a tentative/ preliminary statement of the relationship between two or more variables. <u>It is a specific, testable prediction about what you expect to happen in a study.</u>

Explanation:

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So, we can conclude that <em>The hypothesis</em><u> is a simple statement that defines what you think the outcome of your experiment will be.</u>

<em>Hope</em><em> </em><em>this helps</em><em>.</em><em>.</em><em> </em>

<em>Good</em><em> </em><em>Luck</em><em>!</em>

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