What are the pieces of DNA that pass traits from generation to generation?
a) ribosomes
b) cells
c) traits
d) genes
e) chromosomes
Question 2
The species of Heffalumps live on the planet Zurg. Once there was an earthquake and an entire island of the Heffalump people were separated from the rest of the population.
Millions of years later this separation continues with no contact between the two (the island is surrounded by lava; not like on earth where we have water). What is the term for the changes that likely occurred between these two groups?
a) genetic separation
b) genetic drift
c) genetic flow
d) genetic shift
e) genetic division
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