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Anna71 [15]
3 years ago
13

3. How is DNA replication related to cancer​

Biology
2 answers:
patriot [66]3 years ago
8 0
Mistakes in the replication of DNA create cells that become cancerous
scoray [572]3 years ago
3 0

DNA replication especially those occurring at regions that are hard to replicate, called fragile sites, can cause breaks in DNA. This can lead to cancer, primarily by making it more likely that fragments of chromosomes rearrange themselves, activating genes that lead to uncontrollable cell division.
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Answer:

Most people experience increased infant mortalities at high altitudes due to the inability of the mother to provide sufficient oxygen to the developing fetus but now variation in the DNA sequence in the people that lives at higher altitudes like in Tibetans allow normal level of infant survival at high altitudes.

This variation occurred in the EPAS1 gene in the Tibetan population that is responsible for delivering oxygen more efficiently to the fetus. This nucleotide variation is also present in low landers of Beijing but natural selection selected the variant gene in Tibetan people because they require this mutated gene for their survival.  

So the population passed this variant gene in next-generation, therefore, inheritance allowed the spreading of the mutated gene to the next generation therefore by natural selection and inheritance a mutated gene spread through a human population that had just begun living high in the mountains.

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An egg will have 23 chromosomes
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Explanation:

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Why is bamhi a good choice for this experiment?
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