Class 10 Biology Notes Heredity and Evolution

Class 10 Biology Notes Heredity and Evolution

Chapter Life Processes : All Important Comparisons and Differences between in Biology class 10

Chapter Control and Coordination: All Important Comparisons and Differences between in Biology class 10

Chapter How do Organism Reproduce: All Important Comparisons and Differences between in Biology class 10

Chapter Heredity and Evolution: All Important Comparisons and Differences between in Biology class 10

Chapter Our Environment: All Important Comparisons and Differences between in Biology class 10

Chapter Management and Natural Resources: All Important Comparisons and Differences between in Biology class 10

What are the Differences between Dominant Factor and Recessive Factor?

Dominant Factor or AlleleRecessive Factor or Allele
Expression. It is able to express its effect even in the presence of recessive factor.Recessive factor is unable to express its effect in the presence of dominant factor.
Protein. It produces an effective protein for expressing its effect.It produces a defective or incomplete protein.

What are the Differences between Homologous Organs and Analogous Organs?

Homologous OrgansAnalogous Organs
External Appearance. It is usually different.It is generally similar.
Function. They generally perform different functionsThey have a similar function.
Basic Plan and Origin. They are similar.They are different.
Evolution. Homologous organs show adaptive radiation or divergent evolution.
Example. Forelimbs of Frog, Lizard, Bird and Human
Analogous organs show convergent evolution.
Wings of Insects, Bat and Bird.

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