Recombination rates and physical distance on a chromosome? a) Are not related b)

Question

Recombination rates and physical distance on a chromosome?
a) Are not related
b) Are loosely correlated, but the relationship varies greatly
c) Are both impossible to measure
d) Are both measured in centimorgans

The best way to explain the relationship of Modern Humans to Neanderthals is?
a) They never met.
b) They met, but never interbred
c) No one knows the proper degrees of freedom
d) It's very difficult to know, but modern genetics seems to favor some gene exchange between the two species.

One consequence of how Humans migrated out of Africa is that?
a) The most divergent populations are in Europe
b) Middle East populations show the most divergence
c) Human variation everywhere outside of Africa is a fraction of the variation within Africa.
d) There is no consequence on variation

Explanation / Answer

1 . D

distance between 2 gene loci are measuredin centrimorgans

1 centrimorgan describes recombination frequency of 1 %

2. D

Neabderthals are closest ancestors of modern human

3. C

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