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3 years ago

Which mutation is more dangerous the BRCA1 BRCA2 explain your reasoning

Biology

1 answer:

kumpel [21]3 years ago

4 0

Answer:

Abnormal BRCA1 and BRCA2 genes are found in 5% to 10% of all breast cancer cases in the United States. A study found that women with an abnormal BRCA1 gene had a worse prognosis than women with an abnormal BRCA2 gene 5 years after diagnosis.

Explanation:

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The domestic cat genome contains 2.9×109 base pairs. The length of linker DNA in mammals is 50 base pairs. Approximately how man

IgorLugansk [536]

Answer:

Number of nucleosomes in $2.9 * 10^9$ bp is equal to $1.47 * 10^7$

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For wounding one nucleosome, total length of DNA required is equal to $146$ bp

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Thus , the total length of DNA that confides between two nucleosome is equal to the sum of wounding length of DNA and the linker length

$= 146 + 50\\= 196$ bp

Thus, in $196$ bp length of DNA, the total number of nucleosomes is equal to $1$

Thus, number of nucleosomes in $2.9 * 10^9$ bp is equal to

$\frac{2.9* 10^9}{196} \\1.47 * 10^7$

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Which mutation is more dangerous the BRCA1 BRCA2 explain your reasoning​

Which mutation is more dangerous the BRCA1 BRCA2 explain your reasoning