After Metaphase of the First Meiotic Division

question 16

Multiple Choice

After metaphase of the first meiotic division

• A) the chromosomes split at the centromere and separate from one another.
• B) the chromosomes do not split at the centromere but separate from one another.
• C) each member of the pair migrates to one of the new cells, each of which contains 46 chromosomes but twice the final amount of DNA.
• D) each member of the pair migrates to one of the new cells, each of which contains 23 chromosomes but half the final amount of DNA.

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Definitions:

Ice Volume

The total quantity of ice contained within glaciers, ice caps, and ice sheets worldwide.

Seafloor Spreading

The process by which new oceanic crust is created at mid-ocean ridges as tectonic plates diverge, leading to the gradual widening of an ocean basin.

Glaciers

Slow-moving rivers of ice formed by the accumulation and compaction of snow on mountains or near poles, which shape the land through erosion.

Sea Level

The average height of the ocean's surface between the high and low tide, used as a standard in reckoning land elevation or sea depths.