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bija089 [108]
3 years ago
14

Imagine that you take a journey through time, starting in the age of the dinosaurs. You see plants and animals as they turn into

fossils, observe Charles Darwin take his voyage, and see him develop his theory. You also see signs of change in populations of organisms and their environments and observe the effects of mutations. Now, imagine that you arrive back in the present day, and everyone whom you tell about your adventure does not believe you.
What evidence from the present day could you use to prove that you have taken this journey?
Biology
1 answer:
VLD [36.1K]3 years ago
6 0

Answer:

You take any of the "signs of change in populations of organisms and their environments". For imagine, Australopithecus (early man) turning to Homo sapiens. In that way they could tell that you took this journey.

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SIV or Simian immunodeficiency virus

Explanation:

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Which of the following is the limiting factor for cell size?
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The link that takes you to the answer is here:

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In humans, blue eyes are caused by a recessive allele ("b") that dilutes pigment production. BB and Bb individuals have brown ey
saveliy_v [14]

Answer:

Probability that the son will be:

color-blind = 1/2

blue eyed = 1/8

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Explanation:

Mother : BbXcX

Father : BbXY

Colorblindness is X linked recessive trait hence will be caused when the son has XcY genotype.

XcX   X    XY :

     Xc    X

X  XcX  XX

Y   XcY  XY

Half of the sons will have normal vision and other half will be colorblind hence, there is 1/2 probability that the son will be colorblind.

Eye color is autosomal trait and blue color will be produced when the child has bb genotype.

Bb     X    Bb  :

   B    b

B  BB  Bb

b  Bb   bb

1/4 of the children will have blue eyes. Since half of the children are expected to be males, 1/4 * 1/2 = 1/8 sons are expected to have blue eyes.

Probability of a son being blue eyed and color blind will be :

1/8 * 1/2 = 1/16

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