Course

Genetics

Study Pack

Set 6 Genetic Linkage And Mapping In Eukaryotes

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Question 1

(Multiple Choice)

Free
Experimental evidence that crossing over occurs between the X chromosomes of female Drosophila was provided by ________.

A) Morgan
B) Punnett
C) Darwin
D) Bateson

Answer

Question 2

(Multiple Choice)

Free
In a chi-square test to determine if two genes are linked or assorting independently, what is the default (null) hypothesis that is tested?

A) The genes are linked to one another.
B) The genes are assorting independently.
C) The genes are located on the sex chromosomes.
D) No crossing over occurs.
E) The distance between the genes is very small.

Answer

Question 3

(Multiple Choice)

Free
In a given mapping experiment, you expect that incidence of double crossovers is 3.5%, but you only observe 2.5%. This can be explained by ________.

A) interference
B) linkage
C) coincidence
D) segregation

Answer