The sperm and egg each contribute 50% of the nuclear genetic material to the zygote that becomes the embryo and the new plant.Mitochondria and plastids that become chloroplasts are passed primarily from the female parent.What feature of the male or female gametophytes accounts for this?

Question

Quizplus · Accepted Answer

The female gametophyte is larger and formed from one surviving megaspore. This allows for the accumulation of more cytoplasmic organelles, such as mitochondria and plastids, which are primarily passed down from the female parent to the zygote that becomes the embryo and the new plant. The male gametophyte, on the other hand, is small and formed in the anthers.

The Sperm and Egg Each Contribute 50% of the Nuclear