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Ne4ueva [31]
3 years ago
10

The great Rift Valley in Africa is a land feature on earths surface caused by the movement of crystal plates. Continued movement

of the plates is gradually making the rift deeper. How are the plates around the great Rift Valley moving?

Biology
1 answer:
TiliK225 [7]3 years ago
3 0

Answer:

The plates are spreading apart and moving in opposite directions.

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The purpose of vaccination is to produce immunity.

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An immune response is primarily due to the body's white blood cells<br> recognizing ?
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Beatrice and Allen Gardner taught the chimpanzee Washoe to communicate by means of:A) pictures.B) Morse code.C) sign language.D)
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The correct answer is - option C) sign language.

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Tallness ( T) is dominant to dwarfness (t), while red (R) flower color is dominant to white (r). The heterozygous condition resu
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All the offspring have genotype RrTt

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Tallness ( T) is dominant to dwarfness (t)

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It is given that heterozygous condition results in pink (Rr) flower color which means that the allels for color of flower show co dominance

Genotype of dwarf red snapdragon is RRtt

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The punnet square representing the cross between RRtt and rrTT is as given below-

Rt     Rt         Rt     Rt

rT RrTt      RrTt RrTt    RrTt

rT RrTt      RrTt RrTt    RrTt

rT RrTt      RrTt RrTt    RrTt

rT RrTt      RrTt RrTt    RrTt  

Thus all the offspring have genotype RrTt

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