Multiple Choice
Each new cell will have a haploid number of chromosomes during ______ of meiosis.
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12. Meiosis
Introduction to Meiosis
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To examine meiosis in ferns, you would study __________.
A
the roots of the sporophyte
B
the vascular tissue in stems
C
the mature gametophyte's rhizoids
D
sporangia on the underside of fronds
Verified step by step guidance1
Understand the process of meiosis: Meiosis is a type of cell division that reduces the chromosome number by half, producing haploid cells (gametes or spores). In plants like ferns, meiosis occurs in specialized structures called sporangia.
Identify the life cycle of ferns: Ferns have an alternation of generations, which includes a diploid sporophyte stage and a haploid gametophyte stage. Meiosis occurs in the sporophyte stage to produce haploid spores.
Locate the sporangia: In ferns, sporangia are found on the underside of the fronds (leaves). These structures are responsible for producing spores through meiosis.
Eliminate incorrect options: The roots of the sporophyte and vascular tissue in stems are not involved in meiosis. Similarly, the rhizoids of the mature gametophyte are part of the haploid stage and do not undergo meiosis.
Conclude that the correct structure to study meiosis in ferns is the sporangia on the underside of fronds, as this is where meiosis occurs to produce haploid spores.
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