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Principles of Inheritance and Variation

Short Answer Type

11. What is the unique feature of F1 generation ?

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One Word Answers

12. What will be the genetic make up of an organism which suffers from sickle cell anaemia ?

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Short Answer Type

13. What do the symbols square and circle in a pedigree chart indicate ?

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14. Define heterogamy. Give an example.

Heterogamy is the condition where two different types of gametes are produced from a single cell. For example in humans males are heterogamous for sex chromosomes that is they produce two types of gametes one having X chromosome and other having Y chromosome.

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