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maks197457 [2]
3 years ago
8

Two populations of a species of flightless bird became separated by a river and the birds became two different species. How woul

d scientists be able to discover that the two species of birds share a common ancestor? Scientists can look for similarities in - a . body coverings b. genetic similarities c. food choices d.mating rituals.
Biology
1 answer:
Anna35 [415]3 years ago
7 0

Answer: B, genetic simularities

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Approximately 21% of the human genome is comprised of nucleotides containing C. Given this information, calculate the percentage
azamat

Answer:

(a) 21% of the human genome is comprised of G.

(b) 29% of the human genome is comprised of T.

(c) 29% of the human genome is comprised of A.

Explanation:

According to Chargaff's rule, a DNA molecule has the same amount of pyrimidines (T and C) as purines (A and G), and G pairs with C and A pairs with T.

If 21% of the genome contains C, then 21% also contains G.

Therefore 21% + 21% = 42% of the genome is comprised of G+C.

The other 58% is comprised of A+T, and because they pair with each other, 29% will correspond to A and 29% will correspond to T,

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PLS HELP WILL GIVE BRAINLIEST
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1: I believe there are 8 (not sure but it’s no more than 8)

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