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kenny6666 [7]
3 years ago
12

What purpose does a fish ladder serve

Biology
2 answers:
patriot [66]3 years ago
5 0

weel you already got an answer

Vikki [24]3 years ago
3 0

Answer:

a series of pools built like steps to enable fish to bypass a dam or waterfall.

Explanation:

A fish ladder, also known as a fishway, fish pass or fish steps, is a structure on or around artificial and natural barriers to facilitate diadromous fishes' natural migration.

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The mutation resulting in sickle cell disease changes one base pair of DNA so that a codon now codes for a different amino acid, making it an example of a missense mutation. Missense mutation is the mutation characterized with <span>changes in one base pair so that the whole amino acid is changed.</span>
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According to lecture, the level of emission reductions pledged by individual countries at the paris climate agreements are suffi
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According to lecture, the level of emission reductions pledged by individual countries at the paris climate agreements are sufficient to prevent dramatic climate change according to many scientists. <u>The statement is False.</u>

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8 0
2 years ago
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aleksandr82 [10.1K]

B. Deposition

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3 years ago
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A very common type of red–green colorblindness in humans is caused by a mutation in a gene located on the X chromosome. Knowing
Harrizon [31]

Answer:

50%

Explanation:

According to the given information, the allele for the red-green colorblindness is inherited in an X linked recessive manner. Let's assume that the allele X^c is responsible for red-green colorblindness. The woman is normal but had a colorblind father (X^cY). Fathers give their X chromosomes to the daughters while their Y chromosome is transmitted to their sons. The sons get their X chromosomes from the mother.

The colorblind father has transmitted the X-linked allele for the red-green colorblindness to his daughter. Therefore, the genotype of the woman is X^cX. The woman would produce two types of eggs: 50 % with X^C and 50% with X. Therefore, 50% of sons of this woman would get X linked allele for the red-green colorblindness and would be affected by the disorder while the rest 50% of her sons will be normal.

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