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3 years ago

How are the processes of asexual reproduction and sexual reproduction different? Select three options.

2 answers:

7 0

Keeping it simple, sexual involves gamete asexual does not, sexual involves meiosis and fertilisation asexual does not and sexual produces genetic variation where as asexual does not, offspring are clones

Butoxors [25]3 years ago

6 0

RNA has great capability as a genetic molecule; it once had to carry on hereditary processes on its own. It now seems certain that RNA was the first molecule of heredity, so it evolved all the essential methods for storing and expressing genetic information before DNA came onto the scene.

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Q2. Fill up:

Liono4ka [1.6K]

(a) The serum is the plasma without clotting factors.

(b) Phagocytic cells are neutrophills and monocytes.

(c) Eosinophils are linked with allergic reactions.

(d) In clotting, calcium ions play an important role.

(e) In an ECG, one can determine the heartbeat rate by counting the number of QRS complex.

<h3>EXPLANATION:</h3>

»» Blood without blood corpuscles is called plasma and plasma without clotting factors is called serum.

»» The professional phagocytes include many types of white blood cells (such as neutrophils, monocytes, macrophages, mast cells, and dendritic cells).

»» Eosinophils are associated with allergic reactions.

»» Calcium ions play a significant role in clotting.

»» When the cardiac rhythm is regular, the heart rate can be determined by the interval between two successive QRS complexes.

3 0

3 years ago

Why are there craters on the surface of the moon?(1 point)

Nataly [62]

Answer:

Craters resulted when meteoroids crashed into the surface of the moon.

Explanation:

6 0

3 years ago

If two different alleles for a trait are present and one allele doesn't entirely block the expression of the other, the genetic

wlad13 [49]

If two different alleles for a trait are present and one allele doesn't entirely block the expression of the other, the genetic situation is in-complete Dominance

3 0

3 years ago

Read 2 more answers

Which of the following is correct about air temperature?

Lerok [7]

Answer:

The correct answer would be I and III.

The higher you go, the colder the air gets, which also means that the higher you go, the lower the air temperature becomes.

Let me know if this helps!

4 0

3 years ago

Read 2 more answers

Which discovery supports the hypothesis that evolution of the lactase-persistence trait was driven by the use of milk in pastora

V125BC [204]

The lactase-persistence mutations are roughly as old as the oldest milk-holding vessels or pots

lactase persistence:

Lactase persistence is an example of natural selection, which can cause some humans to continue the activity of the lactase enzyme in adulthood also.

The hereditary examinations and studies propose that the established mutation related to lactase persistence began a long time back, in populaces that started domesticating and dairy cultivation during the Neolithic age when pastoralist populaces started to utilize milk for their livelihood. As found and studied that “the lactase-persistence mutations are roughly as old as the oldest milk-holding vessels.” The cultural and social activities of dairying and drinking non-human milk gave an environment wherein lactase persistence was favorable. DNA proof demonstrates that mutation in the lactase gene emerged in these populaces around a similar time.

Know more about lactase persistence here,

brainly.com/question/3465475

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8 0

2 years ago