Lean women with a BMI less than 20 have an increased risks of preterm delivery, and deliver- ing a low-birth weight infant. The correct option among all the options that are given in the question is the first option or option "a". Similarly it is not good to gain excess weight while in the pregnancy stage, as the baby might grow at a larger proportion that required.
Seedless plants genetically alternate between generations.
<h3>What is the reproduction cycle of seedless plants like?</h3>
All seedless vascular plants have very similar life cycles. As in bryophytes, their life cycle has two alternating generations:
- the gametophyte
- and the sporophyte.
- The sporophyte is always the dominant and free-living generation.
With this information, we can conclude that seedless plants genetically alternate between generations.
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