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Question

How many types of gametes are found in F1 progeny of cross AA BB CC and aa bb cc

A
3
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B
8
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C
27
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D
64
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Solution

The correct option is B 8
Number of different types of gametes produced in an individual is 2n where n is the number of Heterozygous gene pair in an individual.
Here the F1 progeny of the cross would be AaBbCc. So, n = 3
Therefore, types of gametes possible is 23=8

Types of gametes

  1. ABC
  2. ABc
  3. Abc
  4. aBC
  5. aBc
  6. AbC
  7. abC
  8. abc

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