Hello,
The answer is "natural selection is how animals, or plants survive or adapt to their environment".
Reason:
Natural selection is how animals, or<span> plants survive or adapt to their environment this idea came up by Charles Darwin and how he examined the birds beaks which means he came up with the theory of evolution which means that animals evolve to a different type of that species to adapt to there environment with is natural selection.
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Hope this helps!
~Nonportrit </span>
Correct option C) inactivation of the XIST gene on the X chromosome derived from the male parent.
Embryonic development in females and one of the X chromosomes is rand come and permanently inactivated is cells than egg cells. The phenomenon is called X- inactivation or lyonization.
X- inactivation which is called lhyonization , is process by which one of the copies of Chromosome inactivated in therian female mammals. The inactivated X- chromosome is silenced by being packaged into a transcriptionally inactive structure called hetero chromatin.
In case of both X chromosomes and all of their genes were to be activate in women and they would have twice as many copies of the opposite that they have in men.
To learn more about X- inactivation or lyonization here
brainly.com/question/1136718
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<span> In prophase of mitosis the chromosome pairs do not come together to form a tetrad as they do in meiotic prophase I and so the chances of homologous chromosomes meeting and pairing in mitosis is greatly reduced</span>
