Answered: How are the femalegametes of…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

How are the female
gametes of gymnosperms
formed? What is the
relationship between this
process and the concept of
alternation of generations?

Expert Solution

Step 1

Gymnosperms were the first seed-producing plants. They are diverse in leaf types and reproductive structures. They are vascular plants belong to the "subkingdom Embyophyta". It includes conifers, cycads, ginkgoes, and gnetophytes.

Step 2

Gymnosperms have a sporophyte life cycle. The mature sporophyte produces cones. Cones are the organs that bear the reproductive structures. There are two spore types, microspores (Pollen grains) and megaspores (mother cell). They are typically produced in male cones or female cones, respectively.

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