An irregular mode of reproduction resulting in the development of an embryo without fertilization is...........

General Science (CDS) Biology

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An irregular mode of reproduction resulting in the development of an embryo without fertilization is called

1. Parthenogenesis

2. Apogamy

3. Sporophytic budding

Select the correct answer using the code given below.

1 only

2 only

2 and 3 only

1, 2 and 3

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Explanation:

In animals, parthenogenesis means development of an embryo from an unfertilized egg cell. In plants parthenogenesis is a component process of apomixis. Apogamy is a type of reproduction, occurring in some ferns, in which the sporophyte develops from the gametophyte without fusion of gametes. Adventitious embryony also called sporophytic budding, is a type of apomixis in which an embryo develops directly from nucellus or integument tissue. So, all three are correct.