______ is a change in the allele frequencies of a population over time.
a) Vicariance
b) Microevolution
c) Genetic equilibrium
d) Speciation
Ans: b) Microevolution
Biology & Microbiology
You might also like to view...
Which of the following can cause allergy symptoms and inflammation by degranulation?
A) dendritic cells B) erythrocytes C) macrophage D) polymorphonuclear leukocyte
Biology & Microbiology
An organism that is heterozygous for two traits can produce a maximum of _______ different gametes for these traits.
A. 2 B. 4 C. 2; if they are on the same chromosome D. 4; only if they are on different chromosomes E. 8
Biology & Microbiology
Plant hormones _____
a. may have multiple effects c. are active in adult plants b. are active in developing plant embryos d. are all of these
Biology & Microbiology
spermatidWhich structure contains 46 chromosomes?
a. egg b. zygote c. secondary oocyte d. polar body e. spermatid
Biology & Microbiology