Why it is important for meiosis to produce haploid cells

Answers

Answer 1

Answer:

Meiosis is the reductional division which takes place in organisms which reproduce by the process of sexual reproduction. It produces haploid cells to maintain the chromosome number constant in the offpsring.

What is Meiosis?

Meiosis is a type of cell division which results in the reduction of chromosome number in the cell by half of its original number. Meiosis is also known as reductional division.

Meiosis takes place in the process of formation of gametes in the organisms which reproduce by sexual mode of reproduction. In meiosis, four daughter cells are produced, which are haploid. The male and female gametes produced by meiosis under fertilization to form zygote which is diploid. If the gametes were not haploid then the offspring will show presence of extra set of chromosome which can lead to chromosomal disorders.

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Answer 2

Answer:

Answer:

The overall process of meiosis produces four daughter cells from one single parent cell. Each daughter cell is haploid, because it has half the number of chromosomes as the original parent cell. "Meiosis is reductional," said M.

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What substance is made during transcription and where does it occur

Answers

The substance that is made during transcription is mRNA ( messenger RNA). This occurs in the nucleus.

How can hybridization be used to produce plants with characteristics needed to increase food production

Answers

hybridization can be used to produce plants giving a high yield by breeding an indigenous variety of the plant having disease and pest resistant qualities and also a greater adaptability to the particular environment with a high yielding exotic variety to get an offspring having the desired qualities of both and also promoting hybrid

What is the primary product of light independent reactions

Answers

The primary products of the light independent reactions (after one turn of the cycle) are:

a) two G3P molecules

b) three ADP

c) two NADP+

However ADP and NADP+ are not really "products". They are regenerated and later used again in the Light-dependent reactions. Each G3P molecule is composed of three carbons.

For the Calvin cycle (Light independent cycle) to continue, 5 out of the 6 carbons provided by the two G3P molecules are used to regenerate ribulose 1, 5 phosphate. Therefore there remains only one carbon for the next turn of the cycle.

One molecule of glucose requires 6 turns of the cycle. Any extra G3P is used to make starch, sucrose and cellulose.

Exons of a gene are defined as (A) the untranslated regions of the corresponding mRNA
(B) regions in the corresponding mRNA that are involved in initiation of transcription
(C) regions that are not transcribed by RNA polymerase
(D) regions that are excised from the corresponding protein after it is synthesized
(E) regions that remain in the corresponding mRNA after splicing

Answers

E) because the exons remain present within the final mature RNA product of that gene after introns have been removed by RNA splicing.

Which of the following is a way that humans impact rivers and streams?a.
pollution
b.
dams
c.
flooding
d.
all of the above

Answers

The way that humans impact rivers and streams is pollution.

WHAT IS POLLUTION?

Pollution is the release of toxic or harmful substances into the environment such as water, air and the atmosphere.

Pollution as an act can be conducted by humans or anthropogenic activities. The ways by which humans release harmful wastes into rivers and streams is;

Defecating into water bodies
Release of fertilizers and pesticides

Therefore, the way that humans impact rivers and streams is pollution.

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Answer:

ITS (D) All of the above.

Explanation:

Which of the following situations would summarizing be the most useful?A. writing a persuasive essay
B. looking for statistics for a research paper
C. writing a synopsis of a play
D. reading a magazine

Answers

The correct answer is C. Writing a synopsis of a play.

The synopsis is termed as a brief summary of the whole story.

The synopsis is different from others like pitch and planning an outline. In synopsis, it is a bit difficult because;
1. Spoiling of the story feels like heresy.
2. Everything in your book seems important.
3. You really want people to like your book.
Synopsis helps a publisher or agent or judge to understand the context of the sample written. It also helps the agent to get the idea of the whole story.

Out of the choices given, the situation where summarizing would be the most useful is writing would be when writing a synopsis of a play. The correct answer is C.

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