Question

alteration of generation in pinus tree ?​

Answer 1

Answer:

Alternation of generations, also called metagenesis or heterogenesis, in biology, the alternation of a sexual phase and an asexual phase in the life cycle of an organism. The two phases, or generations, are often morphologically, and sometimes chromosomally, distinct.

Answer 2

Answer:

Pinus show alternation of generations. The sporophyte phase is of long duration and is represented by the huge pine tree, which bears the staminate and ovulate cones. In Pinus meiotic division takes place in specialized cells of the ovules and the microsporangia, forming the gametes. The gamete forming structures are borne by the sporophyte and dependent on it for nutrition.

So, the correct answer is 'If both the assertion and reason are true but the reason is not a correct explanation of the assertion'

Explanation:

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