Biology, 01.07.2019 23:30 laush

Video tutor session quiz mitosis vs. meiosis question 4

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Answer from: yansaturnin

Mitosis:

Mitosis is a type of cell division in which a single parent cell divides to give two daughter cell. Since, the chromosome number is equal in both the parent and daughter cell, this type of division is known as equational division. Somatic cells mainly undergoes the process of mitosis.

Meiosis:

Meiosis is a type of cell division in which a single parent cell divides to give four haploid daughter cells. Since, the chromosome number is half in daughter cells as compared with the parent cell, this type of division is known as reductional division. Germ cells mainly undergoes the process of meiosis.

Answer from: karsynraine8224

The main difference between mitosis and meiosis:

Number of cells formed, Ploidy level Types of cells Variation in the daughter cell The complexity of the process.

Further Explanation:

Cell division is the phenomenon by which parental cells divide into new cells. There are two kinds of cell division, meiosis, and mitosis.

Meiosis mostly occurs in the gamete cells. In this division, parent cells segregate into four different daughter cells. The numbers of chromosomes in new cells are different from parental cells. Daughter cells consist of half of the number of chromosomes as the parent cells, therefore, this division known as reductional division. Meiosis is divided into two stages meiosis-I and meiosis-II.

Mitosis is a kind of cell division. In this, parental cells divide into two daughter cells which have the same number of chromosomes as that of the parent cell.

Meiosis is a reductional division whereas mitosis is equational division. Meiosis occurs in somatic cell whereas mitosis occurs in germ cells. During mitosis cells undergo one cycle of cell division whereas in meiosis the cell undergoes two cycles of cell division. Meiosis results in four different daughter cells whereas in mitosis two identical cells are formed. Meiosis marks the crossing over between homologous chromosomes which leads to variation in all the daughter cells whereas in mitosis there is no crossing over between the chromosomes. Therefore, the daughter cells are completely identical in mitosis.

Learn more:

Learn more about mitosis Learn more about the menstrual cycle Learn more about meiosis

Answer Details:

Grade: High School

Subject: Biology

Chapter: Cell Cycle

Keywords:

Mitosis, meiosis, cell division, segregation, chromosome, crossing over, daughter cell, chromatids, reductional division, germ cell, somatic cell.

Answer from: Quest

"menstrual cycle is a complex cycle that consists of several processes. order of occurrence of steps in menstrual cycle are as follows:

1. high progesterone levels maintain the endometrium lining of the uterus.

2. endometrium lining breaks down and low levels of estrogen stimulate the pituitary to release fsh and lh.

3. fsh and lh stimulates the follicles to develop and the oocyte to produce estrogen.

4. rising estrogen levels suppress fsh production and development of other follicles.

5. a spike in lh causes follicle to rupture.

6. a breakdown of corpus luteum causes progesterone level to drop."

Answer from: Quest

it would be heredity

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