Island populations do NOT exhibit which of the
following when compared to the mainland
populations from which they are derived?
a. greater variability
b. greater extinction rates
c. fewer heterozygous loci
d. large chance fluctuations in allele frequencies
e. less genetic drift
Answer: a
You might also like to view...
In humans, spermatogenesis differs from oogenesis in that spermatogenesis ____
a. involves meiosis while oogenesis involves mitosis b. begins at birth while oogenesis begins at puberty c. has unequal cytoplasmic divisions, while oogenesis does not d. produces somatic cells while oogenesis produces gametes e. produces four functional gametes while oogenesis produces one functional gamete
Sickle-cell disease is a disorder that results in malformed hemoglobin molecules. What is the result of this in terms of hemoglobin function?
A. Hemoglobin has an increased ability to bind to and transport oxygen in red blood cells. B. White blood cells begin to pick up hemoglobin molecules instead and this decreases their ability to function in the immune system as intended. C. Hemoglobin has an increased ability to bind to and transport carbon dioxide in red blood cells. D. Hemoglobin has a reduced ability to bind to and transport oxygen in red blood cells.
Net primary productivity of boreal forest is generally lower than in temperate deciduous forest
Indicate whether the statement is true or false
Viral infections are difficult to treat because the drugs that attack viral replication also cause serious side effects in the host.
a. true b. false