Question

Why are Cycas trees said to be unisexual while Pinus trees said to be bisexual?​

Answer 1

Answer:

All cycads are unisexual, having male and female reproductive parts on different plants. It is known as dioecious plant. The male sporophyte is heterogametic having sex chromosomes-XY, while the female sporophyte is homogametic having sex chromosomes-XX.

so, the correct answer is 'unisexual'

Answer 2

Answer:

hope it helps you

Explanation:

1) All cycads are unisexual, having male and female reproductive parts on different plants. It is known as dioecious plant. The male sporophyte is heterogametic having sex chromosomes-XY, while the female sporophyte is homogametic having sex chromosomes-XX.

so, the correct answer is 'unisexual'

2) As for other Pinus species, the unisexual female cones of P. tabuliformis generally develop solitarily or in pairs at the tips (Fig. 1a), while the unisexual male cones generally develop in clusters at the base of lateral shoots

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