BIOL 204
BIOL 204 Exam 1 with Correct
Answers 2026
1
aneuploidy
Change in chromosome number of less than an entire genome
2
chromosome mutation
rearrangements (loss/gain) of large pieces of DNA
3
crossing over
exchange of chromatid segments of two adjacent homologous chromosomes during
meiosis
4
directional selection
selection for one extreme against the other extreme
5
disruptive selection
selection for BOTH extremes against the average/median condition
6
fitness
a measure of the relative contribution of a given genotype to the next generation
7
genetic drift
change in genotype solely by chance effects
8
genetic recombination
natural shuffling of existing genes occurring with meiosis and sexual reproduction
9
hardy-weinburg equilibirum
BIOL 204
BIOL 204 Exam 1 with Correct
Answers 2026
1
aneuploidy
Change in chromosome number of less than an entire genome
2
chromosome mutation
rearrangements (loss/gain) of large pieces of DNA
3
crossing over
exchange of chromatid segments of two adjacent homologous chromosomes during
meiosis
4
directional selection
selection for one extreme against the other extreme
5
disruptive selection
selection for BOTH extremes against the average/median condition
6
fitness
a measure of the relative contribution of a given genotype to the next generation
7
genetic drift
change in genotype solely by chance effects
8
genetic recombination
natural shuffling of existing genes occurring with meiosis and sexual reproduction
9
hardy-weinburg equilibirum
BIOL 204
