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GuDViN [60]
3 years ago
13

What does a controlled experiment work with?

Biology
1 answer:
GREYUIT [131]3 years ago
5 0

a variable is the right answer

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Sister chromatids of a pair of homologous chromosomes form tetrads, and crossing-over (exchange of genetic information between r
aleksandr82 [10.1K]

Crossing over (exchange of genetic information between regions of non-sister chromatids in the tetrad) occurs in the prophase I stage of meiosis.

<h3>WHAT IS MEIOSIS?</h3>

Meiosis is the process whereby a single cell produces four daughter cells that are genetically different from one another.

Meiosis is able to ensure genetic diversity in the daughter cells due to a process called Crossing over.

Crossing over is the exchange of genetic material between the non-sister chromatids of homologous chromosomes. It occurs in the prophase I stage of meiosis.

Therefore, crossing over (exchange of genetic information between regions of non-sister chromatids in the tetrad) occurs in the prophase I stage of meiosis.

Learn more about crossing over at: brainly.com/question/394891

4 0
3 years ago
i need help and please hurry i have to write a teacher appreciation thing and i dont know what to write
Bumek [7]

Answer:

You could thank them for all their hard work and talk about one thing this year that you enjoyed doing with them or something i guess

Explanation:

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3 years ago
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Diploid is a cell or organism that has paired or two sets of chromosomes,
OlgaM077 [116]
I don’t think it’s ok you just gothapaloid and monAlois
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3 years ago
Please help me I really need the answers!!!!!
SpyIntel [72]

Answer:

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The period when children's bodies become adult in terms of size, shape, and sexuality is called _____.
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