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77julia77 [94]
3 years ago
13

What are two modes of genetic variation of organisms

Biology
1 answer:
Arada [10]3 years ago
7 0

The genetic variation of organisms has three sources they are mutation, gene flow and sexual reproduction.

Explanation:

Genetic variation are caused by mutation , random mating, random fertilization and recombination between homologous chromosomes during meiosis.

It is a variation in alleles and genes, among the populations. There is a genetic variation within the family of closely- related individuals. If it is a neighborhood there are many families and there is also genetic variation among that group.

An exact genetic copy of the parent organism is produced in asexual reproduction. It only introduces the genetic variation into the population if a random mutation in the organism's DNA is passed on to the offspring.

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Answer:

833

Explanation:

A codon (3 nucleotides) codes for 1 Amino Acid, 2499 divided by 3 = 833.

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3 years ago
6. Which generations saw a population altering incident? Use your imagination to invent a
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Answer:

Which generations saw a population altering incident? Use your imagination to invent apossible environmental incident that could have caused this shift in populations. The white bears saw a population altering incident because in generation 6 the number wentdown pretty unexpectedly.

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How does wind affect the amount of rain?
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The rainfall loss rate increases as the wind speed increases and/or the rainfall intensity decreases.

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Which organelle is responsible for digesting and breaking down materials within the cell
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3 years ago
What type of joint is represented by the epiphyseal plate in the long bones of young children?a. Cartilaginous symphysis b. Fibr
Andrej [43]

Answer:

D) Cartilaginous synchondrosis

Explanation:

Cartilaginous synchondrosis is a joint in which the bones are joined to the hyaline cartilage or the hyaline cartilage joins the bones.

The synchondrosis is of two types- the temporary and permanent synchondrosis in which the temporary synchondrosis represents the growth plate or epiphyseal plate of the hyaline cartilage which connects the shaft of the bones to the end of the bone.

The thickness of the epiphyseal plate in the children does not change as the bone lengthens.

Thus, D) Cartilaginous synchondrosis is the correct answer.

4 0
4 years ago
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