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Question

Fusion between dissimilar gametes is

A
Autogamy
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B
Isogamy
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C
Allogamy
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D
Dichogamy
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Solution

The correct option is B Allogamy
  • Autogamy is the fusion of 2 different types of gametes that are from the same individual. Though, genetically they are similar as they're from the same individual.
  • Isogamy is the fusion of gametes that are similar.
  • Allogamy is the fusion of two different types of gametes between two different individuals. This term is commonly used for plants. These gametes are dissimilar genetically too.
  • Dichogamy is the production of male and female reproductive elements at different times by a bisexual organism in order to ensure cross-fertilization.
So, the correct option is 'Allogamy'.

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