Which Best Defines a Diploid Cell During Meiosis

Which Best Defines a Diploid Cell During Meiosis

Overview

Ploidy is the number of chromosomal sets found in a prison cell; it is indicated past “n”. Based on the number of sets of chromosomes, cells can be classified equally –

  • Haploid
  • Diploid
  • Polyploid

Cells are classified based on the count of chromosomes, as seen below –

Ploidy
Representation Ready of Chromosomes
Haploid due north One fix of chromosome
Diploid 2n Two sets of chromosomes
Triploid 3n Iii sets of chromosomes
Tetraploid 4n Four sets of chromosomes
Pentaploid 5n V sets of chromosomes
Hexaploid 6n Vi sets of chromosomes
Heptaploid 7n Vii sets of chromosomes

What is a Diploid jail cell? – Diploid cell Pregnant

The term diploid refers to the count of chromosomes that an entity has. A diploid cell is a cell containing two complete sets of chromosomes. Diploid cells have paired chromosomes, each being obtained from each of the biological parents.

This number is double the number of chromosomes seen in haploid weather condition. Each pair of the chromosomes in diploid cells are homologous chromosomes sets, wherein each chromosome pair possesses a chromosome contributed from the female parent and father.

Diploid cells in Man torso

Humans are diploid (2n), hence each human has two copies of chromosomes in the nucleus of their cells. This is to say that there are two copies of chromosome 1, two copies of chromosome 2, ii copies of chromosome 3 and so on. Other than the human sexual practice cells, all cells are diploid, having 23 pairs of chromosomes. The sexual activity cells in humans determine their sex/gender (sperms cells and eggs), which comprises a unmarried set of chromosomes, referred to as haploid. This is the only example wherein the homologous pair does non comprise two copies of the same chromosome.

In other words, humans have 23 sets of homologous chromosomes, a total of 46 chromosomes, hence 2n = 46. In males, the paired sexual practice chromosomes are X and Y homologs (XY), while in females it is the 10 and X homologs (XX).

Popular:   One Should Always Use a Low Voice When Speaking

In our trunk, all the somatic cells are diploid except for sex activity cells, they are haploid. At the time of sexual reproduction, the sex cells or gametes unite at the time of fertilization, forming a diploid zygote. A fertilized egg or zygote develops into a diploid entity.

Features of diploid cells

  • Possess two sets of chromosomes while haploid cells accept ane set of chromosome
  • They are represented as 2n and is different for different species
  • This chromosome number is their number within the nucleus of the cell
  • The cells which are somatic in nature in the body are diploid
  • Diploid cells reproduce through mitosis, and conserve their number of chromosomes by generating a copy of its chromosomes, and equally distributing their Dna amongst their daughter cells

How many chromosomes are in a diploid jail cell?

One tin can calculate the number of chromosomes in a diploid jail cell’south nucleus. This number is represented every bit 2n, “due north” here stands for the number of chromosomes. The diploid chromosome number equation for humans for instance is represented equally 2n=46, for craven, it is 2n=78 etc.

Hither, humans have 2 sets of 23 chromosomes – 22 sets of two non-sex or autosomal chromosomes and one gear up of two sex chromosomes.

The diploid number varies betwixt species. Take a look at the tabular array below to know the chromosome number of different species.

Chromosome number of different species:

Species
Chromosome number
Garlic 16, 2n=16
Dogs 28, 2n=28
Elephant 56, 2n=56
Craven 78, 2n=78
Humans 46, 2n=46

Diploid prison cell Example

Diploid animals remain diploid all through their life. This is non the case in many plants, as they have a tendency to alter their ploidy from being diploid to haploid and haploid to diploid. This is what is referred to as the alternation of generations, wherein there is an alteration between 2 phases of ploidy.

Popular:   The Last Line of a Proof Represents

When the institute cycle is in its diploid phase, it is referred to equally the sporophytic stage and when in the haploid phase of its cycle, it is referred to equally the gametophytic phase. In the life span of Pteridophytes, the predominant phase is that of the sporophytic phase.

Humans have the majority of body cells as diploids (2n). Some of the examples of diploid cells in humans are –

  • Blood cells
  • Muscle cells
  • Bone cells
  • Pare cells

All these cells contain two full sets of chromosomes.

Diploid cells vs. Haploid cells

The ploidy of diploid cells differs from that of haploid cells. Haploid cells comprise 1 set up of chromosomes, as opposed to two full sets of chromosomes seen in diploid cells.

Haploid cells

Haploid cells contain one fix of chromosomes simply. A expert instance of haploid cells are sex cells seen in humans. The production of these cells is past the process of meiosis. When the haploid cells obtained from each of the biological parent – male person and female person gametes unite at the fourth dimension of fertilization, a diploid jail cell is formed.

Nuclei in haploid cells incorporate i gene re-create for each of the characteristics. All the sexual practice cells in the entity are haploid, which finds their origin from the diploid cells through meiotic division. These haploid cells tin be observed in bacteria (asexual mode).

Difference betwixt Diploid cells and Haploid cells

Following are a few key differences between diploid cells and haploid cells –

Diploid cells
Haploid cells
Sets of chromosomes
Cells possess two sets of chromosomes Cells possess one prepare of chromosomes
Representation
2n, “n” stands for the number of chromosomes n, “north” stands for the number of chromosomes
Resultant of which type of jail cell partition process
Jail cell division type – Mitosis Cell division type – Meiosis
Genetically identical
These cells are identical genetically due to mitotic cell sectionalization These cells are not identical genetically, as a result of the cross-over procedure occurring during meiosis
Cells in humans
All cells in humans except for the sex cells are diploid cells, referred to as the somatic cells Sex cells in humans are haploid
Examples
Nervus cells, bone cells, musculus cells Sperm cells, eggs
Popular:   A Flowchart Identifies the Order of Events

Recommended Video:

Cell Cycle and Jail cell Sectionalization Course 11 Biology Chapter 10 (Ep-10) | NEET Of import Questions for 2022

Frequently Asked Questions on Diploid cells

What cells in living organisms are diploid?

In living organisms, cells are diploid when they take paired chromosomes, two sets of chromosomes. One set of chromosomes each is obtained from biological parents. All the somatic cells in humans, cells other than human sex activity cells, are diploid. The sex cells are haploid cells. In humans, the diploid cells have 23 pairs of chromosomes, while the haploid cells (sex cells – eggs and sperms) accept a single set of chromosomes.

How many diploid cells do humans accept?

As many somatic cells present in humans.

In humans, all the cells except for the sex cells are diploid cells. Diploid cells contain two sets of chromosomes, one prepare obtained from each biological parent. On the other hand, sex activity cells (gametes – eggs and sperm cells) are haploid cells containing simply a set of chromosomes. Examples of diploid cells in humans are nerve cells, muscle cells, bone cells, pare cells, etc.

This was a brief on Diploid cells covering its definition, examples, some of its features, chromosome number in dissimilar species, in humans, haploid cells and differences betwixt haploid and diploid cells.

For related articles on NEET, visit BYJU’Due south.

Y’all may like reading:

  • Important Notes For NEET Biology – Chromosome Structure
  • Importance of Jail cell Division

Which Best Defines a Diploid Cell During Meiosis

Source: https://byjus.com/neet/diploid-cell/