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oksano4ka [1.4K]
3 years ago
6

Please help. Those are the only three options

Biology
1 answer:
mezya [45]3 years ago
7 0
I would have to say Fertilization.
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8. In a population of beetles, there is a gene for color with two codominant alleles. The allele R leads to red beetles and the
Eddi Din [679]

Answer:

The genotypic frequency = 1:1

The phenotypic frequency = 1:1

Explanation:

Given that:

The allele → R = Red beetles

The allele → B = Blue beetles

Since the gene color shows a codominant allele

The Red Beetle = RR

The blue beetles will be = BB

The heterozygous beetle will be = RB

∴

The punnet square showing the crossing of RB × RR is:

                R                   B

R                RR               RB

R                RR               RB

The result shows that we have two red beetles and two heterozygous beetles.

Hence;

The genotypic frequency = 1:1

The phenotypic frequency = 1:1

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2 years ago
A tree of life depicting the hypothetical phylogeny of the three domains is shown above. A star is placed at the common ancestor
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Answer:

A

Explanation:

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3 years ago
As a cell grows, what happens to its surface area to volume ratio? (hint: think of a balloon being blown up). how does this rati
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The surface area to volume ratio of the cell decreases.
This decrease is due to the fact that the volume of the cell increases at a greater rate than the surface surrounding the cell, the cell membrane, increases. This change is also visible when we are blowing up a balloon. 

When considering the cell division, the ratio remains roughly the same. It is advantageous for the cell to preserve its surface area to volume ratio, since a higher ratio means that substances are able to diffuse into and out of the cell at a fairly higher rate. 
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Two example of viruses​
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Trojanic bomb.

Polymorphic virus.

Boot sector virus.

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D is the correct answer :).

The four inner planets have slower orbits, slower spin, no rings, and they are made of rock and metal. The four outer planets have faster orbits and spins, a composition of gases and liquids, numerous moons, and rings. The outer planets are made of hydrogen and helium, so they are called gas giants.
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