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lakkis [162]
3 years ago
7

Which is the best definition of directional selection?

Biology
2 answers:
Margaret [11]3 years ago
7 0

Answer:

b

Explanation:

a process by which one of the extreme variations of a trait is favored.

emmasim [6.3K]3 years ago
4 0
<span> a mode of natural </span>selection<span> in which an extreme phenotype is favored over other phenotypes, causing frequency to shift over time in the direction of that phenotype.</span>
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Como concientizar a las personas sobre la manera de usar el agua correctamente?
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Answer:

1.Tomar una ducha

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Lo siento, eso es todo lo que realmente sé.

No sé mucho español, así que ... esto es difícil de escribir.

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4 0
2 years ago
What Structure formed by the crossing over of the optic nerves
Elanso [62]

The optic chiasm is an X-shaped structure formed by the crossing of the optic nerves in the brain. The optic nerve connects the brain to the eye.

4 0
3 years ago
When sperm and ovum unite at conception, a(n) __________ results. autosome gamete zygote allele?
frosja888 [35]

Answer;

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When sperm and ovum unite at conception, a zygote results.

Explanation;

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-A zygote is the union of the sperm cell and the ovum. Also known as a fertilized ovum, the zygote begins as a single cell but divides rapidly in the days following fertilization. After this two-week period of cell division, the zygote eventually becomes an embryo.

3 0
3 years ago
Transformed bacteria are plated on LB plus ampicillin to determine which cells were successfully transformed. Which part of the
mina [271]

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The gene that encodes ampicillin resistance.

Explanation:

The plasmid would contain the ampicillin resistance gene which gets expressed in the presence of ampicillin.

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2 years ago
What level of organization is the human eye? To what system does it belong? Explain.
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