The mitotic division of microspores belongs to the gametophyte stage of the life cycle of the pollen.
<h3>What are pollen grains?</h3>
Pollen are very important in the propagation of a flower. They need to be involved in the process of fertilization. As a matter of fact pollination is the transfer of pollen grains from the anther to the stigma of a flower.
Now we can see that there are various stages in the development of pollen. The mitotic division of microspores belongs to the gametophyte stage of the life cycle of the pollen.
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Answer:
Explanation:
Symbol Representation
I- laci mutant cannot bind to the operator
Is laci mutant always bind to the operator
OC Operator mutant that prevent repressors binding
F’ the wild type operator, O+, and laci gene on a plasmid
L lacZYA genes
I+ O+ L+ Inducible
I+ OC L+ Constitutive
I+ OC L+, F’ Constitutive
I- O+ L+, F’ Inducible
Is O+ L+ no transcription
Is O+ L+, F’ no transcription
<span>Which type of immunity defends against any type of invader?
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Answer : Nonspecific