Question

Name the following.... A)stage in which crossing over takes place B) Name cat family and Dog family C) name the organism having heterocyst and write its function​

Answer 1

Answer:

a)prophase

b)Felidae, Mustelidae, and Canidae

c)Blue-green algae or cyanobacteria such as Nostoc, Anabaena possess specialized cells. These cells are called as heterocysts. These are modified cells which are formed from the vegetative cells. These are the sites for N2 fixation.

Explanation:

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