What is the fundamental difference between the processes of microevolution and macroevolution?
What will be an ideal response?
They are fundamentally identical processes on different time scales. Microevolution refers to incremental changes in the gene pool from one generation to the next, while macroevolution is the accumulation of those changes that eventually leads to speciation. In both cases, the process is the same.
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A reaction is
(a) a reflex. (b) involuntary. (c) voluntary. (d) both a and b.
While hiking in Central Florida, you are lucky enough to see many swallowtail tiger butterflies. You observe that there are two types, or morphs, of the butterflies — a yellow morph and a black morph. What is a likely explanation for this?
A. The swallowtail tiger butterfly has undergone artificial selection. B. The swallowtail tiger butterfly has undergone gene inversion for the gene that determines color. C. The swallowtail tiger butterfly has more than one allele for the gene that determines color. D. The swallowtail tiger butterfly has a single allele for the gene that determines color.
Despite their diverse genome structures, viruses follow the central dogma of molecular biology
In order to undergo all processes within the viral replication cycle (e.g., replication, transcription, translation), what is the source that supplies all the necessary proteins and cellular machinery?
In this sample of cells, what stage of the cell cycle are most of the cells in?
A) G1 B) S C) G2 D) mitosis