Match the Chromosomal Compositions, Labelled A

question 82

Multiple Choice

Match the chromosomal compositions, labelled a. through d., with the stages of developing sperm. (Options may be used more than once or not at all.)
-primary spermatocyte

• A)contains a full set of 23 pairs of chromosomes
• B)contains a full set of 23 pairs of doubled chromosomes
• C)contains a half set of doubled chromosomes
• D)contains a set of 23, single, unpaired chromosomes

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Definitions:

Thoracic Vertebrae

The twelve vertebrae situated between the cervical (neck) vertebrae and the lumbar (lower back) vertebrae, forming the mid-section of the vertebral column.

Vestigial Ribs

Rudimentary ribs that do not fully develop or serve a significant function, often found at the cervical or lumbar regions.

Floating Ribs

The last two pairs of ribs in the human rib cage that are not attached to the sternum or other ribs, providing flexibility and protection to the lower abdomen.

True Ribs

The first seven pairs of ribs that are directly attached to the sternum through their own costal cartilages, providing protection to the thoracic organs.