Jeremy and Sam Are Identical Twins

question 43

Multiple Choice

Jeremy and Sam are identical twins. However, Sam is slightly taller than Jeremy. Differences such as this

• A) occur during the process of meiosis.
• B) reflect differences in genotype.
• C) reveal differences in genetic code.
• D) show differences in phenotype.
• E) occur during the process of mitosis.

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Definitions:

Stereocilia

Hairlike projections on the surface of some cells, such as those in the inner ear, which play a role in the detection of sound and the balance system.

Epididymis

A long, coiled tube that stores sperm and transports it from the testes.

Corpora Cavernosa

Spongy tissues running along the length of the penis that fill with blood during erection, contributing to its rigidity.

Membranous Urethra

The section of the urethra that passes through the urogenital diaphragm, primarily in males.