Under the right conditions, which type of selection is most likely to lead to the formation of new species?
a) stabilizing
b) frequency-independent
c) frequency-dependent
d) disruptive
e) directional
Ans: d) disruptive
You might also like to view...
Which of the following terms is used to describe organisms, particularly plants and fungi, that have distinct haploid and diploid phases of their life cycle?
A) polypoloidy B) aneuploidy C) alternation of generations D) asexual propogation E) both choices B and C are correct.
Which process is absolutely necessary for sexual reproduction to occur in a life cycle, but is not necessarily required for organisms that only reproduce asexually?
a. prokaryotic fission b. mitosis c. meiosis d. cytokinesis e. karyokinesis
One finding of the Human Genome Project was that mutations in _____ can cause mutations in distant regions of the
genome, which can result in cancer. a. DNA repair genes b. promoter regions c. introns d. SNPs e. open reading frames
Emery had no freckles. His wife, Marguerite, was clearly freckled but known to be heterozygous for the gene. Predict the chance that any one of their children will have freckles
A) 100% B) 25% C) 50% D) 75%