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Eduardwww [97]
2 years ago
11

Why do cells divide at different rates?

Biology
1 answer:
devlian [24]2 years ago
7 0

Answer:

Because different cells are under different pressure. The most frequently replaced cell would be skin cells while on the opposite scale we have neurons. Skin is under constant pressure so we have to replace it as quickly as possible where as neurons must be replicated only once so we can maintain a stable brain.

Explanation:

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weqwewe [10]

Answer:

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6 0
3 years ago
In a dihybrid cross involving two autosomal traits on different chromosomes in which the parents are purebred for the opposite f
Simora [160]

Answer:

The question lacks options, the options are:

A) 1 out of 16

B) 3 out of 16

C) 6 out of 16

D) 9 out of 16

The answer is 1 out of 16

Explanation:

This is a DIHYBRID cross because it involves two different genes coding for distinct traits. One of the traits will be dominant while the other recessive. Hence, parents that are purebred for opposite forms of the trait means that one parent is homozygous dominant while the other is homozygous recessive. When these two parents cross, they produce F1 offsprings that all possess the dominant trait but heterozygous/hybrids.

When these hybrids are self-crossed, they produce four different combinations of gametes which when crossed using a punnet square will result in F2 offsprings with a 9:3:3:1 phenotypic ratio according to Mendel's observation.

9 represents offsprings that are dominant for both traits

The two 3's represents offsprings that are recessive for one trait and dominant for the other respectively.

1 represents offsprings that are homozygous recessive for both traits.

Hence, 1 out of 16 offsprings will be homozygous recessive for both traits.

4 0
3 years ago
What is the difference between primary & secondary succession? *
r-ruslan [8.4K]

Primary succession: <u>is a process by which a community arises in a virtually lifeless area with no soil. </u>

Secondary succession:<u> follows a disturbance that destroys a community without destroying the soil.</u>

6 0
2 years ago
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Andrei [34K]

Answer:

The answer is oil .

Explanation:

<u>Oil</u> is not a natural Earth cycle.

(Correct me if I am wrong)

4 0
2 years ago
Which of these volcanic eruptions types is the least violent
Olenka [21]

Answer:

Explanation:

Answer B. is correct

4 0
3 years ago
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