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Marat540 [252]
3 years ago
5

What are constants in an experiment

Biology
1 answer:
Kitty [74]3 years ago
7 0
They are variables that cannot be changed or are purposefully not changed in an experiment.
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Which of the following might result in a human zygote with 45 chromosomes?A) an error in either egg or sperm meiotic anaphaseB)
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Answer:

A) an error in either egg or sperm meiotic anaphase

Explanation:

A condition in which human contain 45 chromosomes instead of 46 is called aneuploidy or abnormal chromosome number. The most common cause of aneuploidy happens during cell division when the chromosomes do not separate properly between the two cells.

A missing chromosome or an extra chromosome is a common cause of genetic disorders.

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