Meiosis, Biology

Assignment Help:

Meiosis is the special type of cell division in which the numbers of chromosomes in daughter cell are reduced to half, as compared to parent cell.

Occurrence:

It takes place in diploid cells only.

• In animals at the time of gamete formation.

Gametes:

Eggs and Sperms cells are specialized sex cells called Gametes.

Zygote:

In animals male gamete (sperm) unites with female gamete (egg) during fertilization to form a single cell called zygote.
The fusion of gametes is called syngamy.Zygote is the first cell of the new animal. Each of the two gametes contributes half of the genetic information to the zygote.

Reduction Division:

The daughter cells resulting from meiosis will carry half the number of chromosomes and half the amount of genetic material compared to the parent cell. Hence, meiosis is also known as reductional division.

Meiosis occurs during the formation of gametes (spermatozoa and ova) in animals and spores in higher plants. It is mainly meant for bringing about a decrease in the chromosome number from the diploid (2n) condition to the haploid (n) condition.


Related Discussions:- Meiosis

Palliative care, Despite the technologic advances of recent years, many pat...

Despite the technologic advances of recent years, many patients with chronic heart failure are elderly and have multiple comorbidities. Many of them will not experience meaningful

Implantation - pre-embryonic development, Implantation - Pre-Embryonic Deve...

Implantation - Pre-Embryonic Development After entering the uterus and formation of ICM, the blastocyst starts to embed in the endometrium of the uterine wall. By one week aft

What is transgenesis - molecular biology, Molecular Biology - transgenesis ...

Molecular Biology - transgenesis Difficult to successfully insert the gene then successfully re-implant embryo possible pleiotropic effects low success rate / tak

Can you explain tannins, Q. Can you explain Tannins? Tannins are anoth...

Q. Can you explain Tannins? Tannins are another class of compounds which interfere with the absorption of minerals like iron and reduce the availability of proteins by bindin

State the copious sterile saline irrigation, Using copious sterile saline i...

Using copious sterile saline irrigation This can be delivered from a sterile infusion bag in a pressure cuff or a peristaltic pump. The drills can be adequately cooled by spray

Specific organization, Specific Organization The body of all living th...

Specific Organization The body of all living things, no matter how different in size or appearance, is composed of cells. Viruses are of course an exception. The study of cell

What are the three main types of nitrogen wastes, What are the three main t...

What are the three main types of nitrogen wastes excreted by living beings? The major nitrogen wastes excreted by living beings are ammonia, uric acid and urea. Living beings t

Describe class ophiuroidea in general way, Describe Class Ophiuroidea in ge...

Describe Class Ophiuroidea in general way? Brittle stars have a central disc with five long, thin, flexible arms that can be detached from the body at will in times of danger.

Inter-relationships of classification, Inter-relationships of Classificatio...

Inter-relationships of Classification The aim of classification is to put together organisms on the basis of their similarities. But the question is what type of similarities?

Carbohydrate required for underweight - nutritional care, Explain the Carbo...

Explain the Carbohydrate required for underweight - Nutritional Care? Liberal amounts of easy to digest carbohydrates should be included in the diet. The intake of dietary fibr

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd