Your Aunt Says with a Smile, "Let Me Show You

question 133

Multiple Choice

Your aunt says with a smile, "Let me show you my karyotype!" She wants to show you a(n)

• A)ovum, being fertilized in a test tube.
• B)picture of her 23 chromosomal pairs.
• C)outline chart of which relatives have had genetic defects.
• D)phenotype of a canalized trait.

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Definitions:

Hemichordata

A phylum of marine animals that share some traits with chordates, such as a dorsal nerve cord, but have distinct features like a stomochord.

Larval Tunicates

The juvenile stage of tunicates (marine invertebrates), which is free-swimming and undergoes metamorphosis into the adult form.

Superficially Resemble

To appear similar or alike on the surface, but possibly different in more profound or structural aspects.

Deuterostomes

Organisms characterized by undergoing deuterostomy during embryonic development, where the anus forms before the mouth.