Researchers tend to name genes based on what
happens in their absence. The tinman gene in
Drosophila results in flies
a. without hearts.
b. with nonjointed legs.
c. with a thick exoskeleton.
d. with rust colored eyes.
e. without brains
A
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Human populations vary genetically, but the variation is subtle and not easy to find without large data sets. Most of the genetic variation in the human species exists between ________
Fill in the blank(s) with correct word
The four organic molecules found in all living systems are carbohydrates, nucleic acids, lipids, and ________
Fill in the blank(s) with correct word
A viral genome may consist of __________
a. double-stranded DNA b. single-stranded DNA c. double-stranded RNA d. single-stranded RNA e. Any of the above
Tertiary structure happens when an alpha helix/beta pleated sheet bonds to ________ in places, they form __________ bonds.
Fill in the blank(s) with the appropriate word(s).