science
Grade-10
Easy

Question

You get __% of your DNA from each parent.

  1. 50 %
  2. 100 %
  3. 70 %
  4. 10 %

hintHint:

A diploid zygote is formed by the fusion of two haploid gametes.

The correct answer is: 50 %


    There are two types of cells: somatic or body cells and sex cells or gametes.
    The somatic cells contain two sets of chromosomes and divide by mitosis.
    Gametes contain single set of chromosome, following meiosis. After fertilization, the haploid male and female gametes fuse and produce zygote which is diploid. Hence, an offspring receives 50% of DNA from each parent.

    • Gametes are haploid
    • Zygote is diploid
    • 50% DNA is from each parent

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