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Heredity & Evolution
...
• Heredity refers to the process by which certain
features (heritable characteristics) are
transmitted from parent to offspring..
GENE...?
• A gene is a unit of DNA on a chromosome which
governs the synthesis of one protein that controls a
specific characteristic of an organism. Genes are
actually units of heredity which transfer
characteristics from parents of their offspring’s
during reproduction.
Rules ofInheritance...
• Gregor Johann Mendel conducted experiments
on pea plants and proposed the rules of
inheritance; based on his observations. Mendel
observed that characters are often present in
pairs. A pair of contrasting characters is called
allele.
Evolution...?
• Evolution is the sequence of gradual
changes which take place in the primitive
organisms over millions of years in which
new species are produced…
A VIDEO ON HERIDITY & EVOLUTION
Heredityevolution
Heredityevolution

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Heredityevolution

  • 2. • Heredity refers to the process by which certain features (heritable characteristics) are transmitted from parent to offspring..
  • 3.
  • 4.
  • 5. GENE...? • A gene is a unit of DNA on a chromosome which governs the synthesis of one protein that controls a specific characteristic of an organism. Genes are actually units of heredity which transfer characteristics from parents of their offspring’s during reproduction.
  • 6.
  • 7. Rules ofInheritance... • Gregor Johann Mendel conducted experiments on pea plants and proposed the rules of inheritance; based on his observations. Mendel observed that characters are often present in pairs. A pair of contrasting characters is called allele.
  • 8. Evolution...? • Evolution is the sequence of gradual changes which take place in the primitive organisms over millions of years in which new species are produced…
  • 9. A VIDEO ON HERIDITY & EVOLUTION

Editor's Notes

  1. Heridity & evolution BY, T.NIVAS JMS.SHANKAR