What is Diploid _ It’s Meaning and Definition A cell or an organism consisting of two sets

What is Diploid _ It’s Meaning and Definition A cell or an organism consisting of two sets



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What is Diploid? (Meaning and Definition)

Diploid:
A diploid is a cell or an organism consisting of two sets of chromosomes — one set inherited from each parent. These cells have a pair of each chromosome (2n), making them essential for sexual reproduction.

Key Points:

  1. Symbol: Diploid cells are represented by 2n, where ‘n’ is the number of chromosomes in a single set.
  2. Examples: Most animal cells, including human body cells (somatic cells), are diploid with 46 chromosomes (23 pairs).
  3. Exception: Gametes (sperm and egg cells) are haploid (n) and contain only one set of chromosomes.

Diploid vs. Haploid:

  • Diploid (2n): Two sets of chromosomes (body cells).
  • Haploid (n): One set of chromosomes (sex cells or gametes).

Importance of Diploid Cells:

  • They maintain genetic stability through mitosis.
  • Facilitate genetic variation through meiosis and fertilization.
  • Help in growth, development, and tissue repair.

If you need more details or have any questions, feel free to ask!

🧬 What is Diploid? – Meaning and Definition


📘 Definition:

A diploid cell or organism is one that contains two complete sets of chromosomes, one set from each parent.


✅ Simplified Meaning:

A diploid has two copies of each chromosome — that means every gene is paired. It is written as 2n in biology.


🔍 Key Points:

Feature Details
Chromosome number Two sets (2n)
Source One set from mother, one from father
Cell type Somatic (body) cells
Organism type Most animals and plants

🧠 Examples of Diploid Cells:

  • Human skin cells (2n = 46 chromosomes)

  • Liver cells

  • Muscle cells

  • Zygote (fertilized egg)


❗ Important Note:

  • Diploid (2n) = Two sets of chromosomes

  • Haploid (n) = One set of chromosomes (e.g., sperm and egg cells)


📖 In Simple Terms:

If a human has 46 chromosomes, 23 come from the mother, 23 from the father. That’s diploid — two sets!


🔁 Comparison: Diploid vs. Haploid

Feature Diploid (2n) Haploid (n)
No. of sets 2 sets of chromosomes 1 set of chromosomes
Found in Body cells (somatic) Sex cells (gametes)
Example Blood cell, skin cell Sperm, egg

Would you like this explained in Hindi, with diagrams, or a PDF note for school/NEET prep?

What is Diploid _ It’s Meaning and Definition A cell or an organism consisting of two sets

fundamentals of genet



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