Answer
b. moss gametophytes
Work Step by Step
Both egg and sperm cells are produced during gametophyte generation; thus, only moss gametophytes produce eggs and sperm.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.