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What does molecular evolution taking place at a constant rate suggest?
it's mostly governed by accumulation of nearly neutral mutations
Which one of these mutations cannot change DNA sequences over time?
Which of the below is true about Darwin's On the Origin of Species (1859)?
it included ideas such as blending inheritance
What are the factors involved in sexual selection?
male competition and female choice
What transcription factor is responsible for the adaptive radiation in Darwin's finches, and what else is it responsible for?
ALX1 - cranial facial development in humans
Which of these is not a theory for why giraffes have long necks?
competing browser hypothesis
Define molecular clock
using the mutation rate of biomolecules to deduce the time in prehistory when two or more life forms diverged
condition of organisms being well equipped - both by structure and function, or behaviour - to living in their environment
What were the earliest animal fossils like?
soft-bodied, marine, mostly suspension or detritus feeders
Which is true?
smaller populations can show larger rates of genetic drift
Which one of these processes cannot affect allele frequencies within populations over successive generations?
When was the Cambrian explosion?
c. 544 MYA
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