Multiple Choice
All members of the golden hamster species known today are descendants of a single litter collected in Syria in 1939. Its diploid chromosome number is 44. Two other species of hamster, each with a diploid number of 22, overlap geographically in Syria. The golden hamster is thought to be a new species from the mating of a male and female of the two other hamster species. What mechanism might explain this recent event of speciation?
A) Polyploidy
B) Temporal isolation
C) Formation of a fertile hybrid and halving of the chromosome number of this hybrid
D) Disruptive selection
E) Adaptive radiation
Correct Answer:
Verified
Correct Answer:
Verified
Q1: The most common cause of extinction is<br>A)
Q2: Mechanisms that prevent mating between species are
Q3: What is the best explanation for the
Q4: If a hybrid is unable to produce
Q5: What happens when two populations become geographically
Q7: Modern biologists have identified two main factors
Q8: Two species of pines, Pinus radiata and
Q9: Organisms from two separate species can look
Q10: For new species to develop, there must
Q11: Interbreeding two different species of lovebirds produces