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Vaselesa [24]
2 years ago
5

What is the end result of mitosis and meiosis?a.Mitosis and meiosis result daughter cells for growth, development and reproducti

on in the living world.b.Mitosis results similar daughter cells generally for growth and development. In asexual mode of reproduction, mitosis helps in increasing the number of cells.c.Meiosis results variations and helps the sexual mode of reproduction. The resultant daughter haploid cells unite during the fertilization process and retains the diploid number of chromosomes.
Biology
1 answer:
Kay [80]2 years ago
9 0

Answer:

<h2>Mitosis and meiosis are the ways of cell division which result daughter cells for growth, development and reproduction. </h2>

Explanation:

Mitosis and meiosis result daughter cells for growth, development and reproduction in the living world.

Mitosis results two similar daughter cells which are generally for growth and development. In asexual mode of reproduction, mitosis helps in increasing the number of cells.

Meiosis occurs in germ cells, and in meiosis, one diploid cell produce four haploid cells.

Meiosis results variations by independent assortment and by crossing over and it helps the sexual mode of reproduction. During fertilization, the resultant daughter haploid cells unite and retains the diploid number of chromosomes.

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C. in areas with different air pressures

Explanation:

"Convection currents occur within:

The geosphere – plate tectonics

The atmosphere - wind

The hydrosphere - ocean currents"

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4 0
3 years ago
Genes determine the_____of an individual.
Bad White [126]

Answer:

traits of an individual

Explanation:

8 0
3 years ago
Ordinary cell division produces two daughter cells that are genetically identical. This type of cell division is important for a
Ratling [72]

Answer:

C) production of sperm and eggs

Explanation:

Sperms and eggs are the male and female gametes respectively. Formation of sperms and egg cells require meiotic cell division. Meiosis in sperm mother cells and egg mother cells reduces the chromosome number of half in the sperms and eggs. Meiosis also adds new gene combinations in these gametes by the process of crossing over.  

Mitosis cannot reduce the chromosome number to half in the sperms and eggs. Absence of crossing over in mitosis leads to the formation of genetically identical progeny cells from mitosis.  

Hence, mitosis can not form sperms and egg cells.  If it does, the sperms and egg cells would not have genetic variations and there would be doubling of chromosome number with each round of sexual reproduction.

8 0
3 years ago
4. What is the difference between cytology and histology?
BlackZzzverrR [31]

Answer:

C. Cytology is the study of cells, while histology is the study of tissues

Explanation:

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5 0
2 years ago
Read 2 more answers
In beans the pod texture and growth form genes are located on different chromosomes. There are two varieties of beans in a farme
irina1246 [14]

Answer:

a. Genotype in F1 - TtBb

   Phenotype in F1 - tough pods, bush-type growth

b. Proportion of F2 that are heterozygous for bush-type growth form = 5/8

c. Proportion of the F2 with tender pods =  1/4

d. Proportion of F2 that are heterozygous for growth form and have tender     pods = 1/8

Explanation:

Since the two traits are located on different chromosomes, they will independently assort during gametes formation. T is dominant over t and B is dominant over b.

Two true-breeding varieties were crossed at the beginning of the program:

TTBB   x   ttbb

All F1 plants will have the genotype TtBb with tough pods and bush-type growth form.

Advancing the cross to F2:

TtBb   x   TtBb

Progeny

1 TTBB   -   tough pods, bush-type

2 TTBb     -  tough pods, bush-type

2 TtBB    -   tough pods, bush-type

4 TtBb     -   tough pods, bush-type

1 TTbb     -    tough pods, climbing-type

2 Ttbb     -    tough pods, climbing-type

1 ttBB       -    tender pods, bush-type

2 ttBb     -      tender pods, bush-type

1 ttbb      -      tender pods, climbing-type

<em>Proportion of F2 that are heterozygous for bush-type growth form = 10/16 = 5/8</em>

<em>Proportion of the F2 with tender pods = 4/16 = 1/4</em>

<em>Proportion of F2 that are heterozygous for growth form and have tender pods = 2/16 = 1/8</em>

7 0
3 years ago
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