Ecol - Ch 6 Evolutionary Ecology

​ (a)   are regions on the DNA strand that carry the code for a trait. ​ (b)   are the possible variations of a trait. For example, ​ (c)   #1 may be the ​ (d)   for the​ for fur color. The alleles for fur color may be ​ (e)   .

The diagram shows new offspring genetic variation created during which event of meiosis

This organism's diploid adult cells have ___ pairs of homologous chromosomes that can sort into ___ different arrangements before the cell splits to make haploid gametes (egg or sperm).

FYI: A human cell can sort into

2²³ or over 8,388,608 possible arrangements to form egg or sperm.

​ (a)   occurs at the ​ (b)   level.

It can be artificial when humans are responsible for​ (c)   agricultural plants domesticated animals. It can also be caused by ​ (d)   , such as limiting hunting of the white deer enclosed at the Seneca Army Depot.

Microevolution occurs when the peppered moth population shifts between the white and black phenotype. During the industrial revolution, when soot builds up on the tree trunks, there is selective pressure toward which phenotype?