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Nana76 [90]
3 years ago
8

What causes genetic variation in a population ?

Biology
1 answer:
g100num [7]3 years ago
5 0

Answer:

environmental factors but also dna and genes

Explanation:

environmental factors such as illness/disease, radiation, diet etc can all impact one's genetic traits

one's genetic traits can also be inherited from parent's dna and genes, but these can also change as time passes.

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Which reproductive method is the only one available to mosses and ferns?
elena55 [62]

Answer:

Alternation of generation with both sexual and asexual

Explanation:

In mosses, the dominant plant is called a gametophyte while in ferm the dominant is sporophyte. Gametes are produced by the gametophyte and fertilization occurs forming an embryo. The embryo develops into a plant called the sporophyte.

4 0
3 years ago
Your patient has recently completed her first round of chemotherapy in the treatment of lung cancer. when reviewing this morning
dimaraw [331]

When there is myelosuppression, the suggestive finding is there is a decrease in the platelets and red blood cells. Also called the bone marrow suppression, myelosuppression is a common side effect of the treatment of chemotherapy. When this side effect happens, there is a decrease in the production of blood cells. The result which may be the effect of myelosuppression is a decrease in one, two or all three types of blood cells. Most patients of chemotherapy experience a decrease in red blood cells. Another effect is the decrease of white blood cells by most patients. Myelosuppression will be subcategorized as neutropenia when chemotherapy results to the reduction of neutrophils which is a specific type of white blood cells. Thrombocytopenia is the term for a drop in platelet numbers. This kind of suppression is not that common.  Only 10 percent of cancer patients undergo the negative effects of this kind of suppression. 

6 0
3 years ago
Human and sperm whale myoglobin have very similar primary structures. Which of the following statements are correct? a. The two
Mandarinka [93]

Question is incomplete ,complete question is as follows :

Human and sperm whale myoglobin have very similar primary structures. Which of the following statements are correct?

1) The two proteins are very likely related evolutionarily.

2) The differences in the sequences in many instances represent a conservative change (such L for I).

3) The differences in the sequences in many instances represent a nonconservative change (such as D for A).

4) There is no correlation between the two proteins since they originate from very different species.

Human and sperm whale myoglobin have very similar primary structures. Which of the following statements are correct?

A) Statements 1 and 2 are correct.

B) Statements 1, 2, and 4 are correct.

C) Statements 1, 2, and 3 are correct.

D) All of the listed statements are correct.

Answer:

A) Statements 1 and 2 are correct.

Explanation:

As the Human and sperm whale myoglobin  are very likely related evolutionarily hence option a is correct.

The differences in the sequences in many instances represent a conservative change (such as L for I) hence option b is also correct.

While all the other options are not correct.

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3 years ago
Which object can a student move through a coil of copper wire to produce an electric current in the wire
gizmo_the_mogwai [7]
Magnet .................................
4 0
3 years ago
Question 3
Tanzania [10]
The air that we breathe in is an example of solid solution
4 0
2 years ago
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