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SVETLANKA909090 [29]
3 years ago
13

PLEASE ANSWER QUICK

Biology
2 answers:
dexar [7]3 years ago
3 0

Answer:

the presence of dimples im pretty sure

Explanation:

kumpel [21]3 years ago
3 0
The presence of dimples
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Why did Gregor Mendel study P plants
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Assume that in cattle a spotted coat is dominant to an even coat, short horns are dominant to long horns, and the traits for coa
kow [346]

Answer:

C. 1/4

Explanation:

Let's assume that the allele for the spotted coat is "S" and the one for the even coat is "s". The allele "L" gives short horns while the recessive allele "l" imparts long horns. The genotype of the cattle heterozygous for both traits would be SsLl. A cross between two heterozygous cattle would produce progeny in following phenotype ratio=

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8 0
3 years ago
Sodium and potassium ions move in and out of the axon when the membrane is ______
Ostrovityanka [42]

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Answer : Depolarized

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Sodium and Potassium ions tend to move inside of the axin when the membrane is depolarized.

A change in polarity occurs in the axon membrane when a nerve impulse travels across it.  At the beginning of an action potential or nerve impulse , the ions of sodium tend to move inside of axon causing depolarization. As a result potassium ions tend to move outside of the axon causing re polarization. Hence, this effect causes the nerve impulse to travel in one direction only inside the axon.

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