What does N and C mean in meiosis?

What does N stand for in meiosis?

Meiosis then is a process by which haploid cells are produced. There is an additional concept which uses the letter N to represent the haploid number of chromosomes. Therefore, gametes are 1N while somatic cells are 2N. Also, the letter C is used to represent a haploid amount of DNA in a cell.

What does N mean in mitosis and meiosis?

Mitosis produces two diploid (2n) somatic cells that are genetically identical to each other and the original parent cell, whereas meiosis produces four haploid (n) gametes that are genetically unique from each other and the original parent (germ) cell.

What does 2n and N mean in biology?

Diploid describes a cell that contain two copies of each chromosome. … The total number of chromosomes in diploid cells is described as 2n, which is twice the number of chromosomes in a haploid cell (n).

What are the 8 stages of meiosis?

What are the 8 stages of meiosis?

  • prophase I. the chromosomes condense, and the nuclear envelope breaks down.
  • Metaphase I. pairs of homologous chromosomes move to the equator of the cell.
  • Anaphase I.
  • Telophase I and Cytokinesis.
  • Prophase II.
  • Metaphase II.
  • Anaphase II.
  • Telophase II and Cytokinesis.

What is the C value in cell cycle?

C-value is the amount, in picograms, of DNA contained within a haploid nucleus (e.g. a gamete) or one half the amount in a diploid somatic cell of a eukaryotic organism.

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What is an unreplicated chromosome?

a unreplicated chromosome has one DNA molecule; a replicated chromosome has two identical DNA molecules (sister chromatids) attached at the centromere. … HOMOLOGOUS chromosomes are chromosomes of the same type. Your father gave you a Type 1 chromosome Therefore, Non-homologous chromosomes are of different types.