BIOLOGY 1151 – COLLEGE OF DUPAGE 2026/2027 | COMPLETE STUDY GUIDE, PRACTICE
QUESTIONS & EXAM REVIEW
Generic Allele Formula: - ✔✔p2 + 2 pq + q2 = 1 or 100%
Evolution: - ✔✔The change in traits, characteristics and functions of an organisms through
time
Chromosomes: - ✔✔The more 2 organisms are alike in looks and function, the more _______
they share.
Alleles: - ✔✔The variation in organisms is the result of ________.
Artifical Selection: - ✔✔Humans modifying species over many generations by selecting and
breeding individuals that possess desired traits.
Adaptation: - ✔✔Characteristics of organisms that enhance their survival and reproductions in
specific environments.
Natural Selection: - ✔✔Individuals w/certain inherited traits leaving more offspring than
individuals with other lesser traits
Adaptation through elimination: - ✔✔The accumulation of favorable traits
Heritable traits: - ✔✔Natural selection only works on ______ _______ that are being passed
on to the next generation.
Generations: - ✔✔Evolution occurs across _________.
, Direct observation: - ✔✔Visual changes can be observed.
Fossil records: - ✔✔Show how past organisms differed from present day organisms.
Homology: - ✔✔Refers to any similarity between characteristics of organisms that is due to
their shared ancestry
Molecular homologies: - ✔✔Genes that are the same in two different organisms
describes____ ______.
Anatomical homologies: - ✔✔Organisms that share similar visual characteristics describes
________ _________.
Biogeography: - ✔✔Geographic distribution of species by means of continental drift
Convergent Evolution: - ✔✔Distantly related organisms, that were separated by biogeography,
that resemble one another
Theory of Evolution: - ✔✔Is a scientific theory whose predictions stand up to thorough and
continual testing by experimentation and observation
Microevolution: - ✔✔The changing of allele frequencies in a population over generation.
Population: - ✔✔A group of interbreeding organisms of the same species, in the same
geographic area.
Mutations and Sexual Reproduction: - ✔✔Two things that lead to genetic variation are...
QUESTIONS & EXAM REVIEW
Generic Allele Formula: - ✔✔p2 + 2 pq + q2 = 1 or 100%
Evolution: - ✔✔The change in traits, characteristics and functions of an organisms through
time
Chromosomes: - ✔✔The more 2 organisms are alike in looks and function, the more _______
they share.
Alleles: - ✔✔The variation in organisms is the result of ________.
Artifical Selection: - ✔✔Humans modifying species over many generations by selecting and
breeding individuals that possess desired traits.
Adaptation: - ✔✔Characteristics of organisms that enhance their survival and reproductions in
specific environments.
Natural Selection: - ✔✔Individuals w/certain inherited traits leaving more offspring than
individuals with other lesser traits
Adaptation through elimination: - ✔✔The accumulation of favorable traits
Heritable traits: - ✔✔Natural selection only works on ______ _______ that are being passed
on to the next generation.
Generations: - ✔✔Evolution occurs across _________.
, Direct observation: - ✔✔Visual changes can be observed.
Fossil records: - ✔✔Show how past organisms differed from present day organisms.
Homology: - ✔✔Refers to any similarity between characteristics of organisms that is due to
their shared ancestry
Molecular homologies: - ✔✔Genes that are the same in two different organisms
describes____ ______.
Anatomical homologies: - ✔✔Organisms that share similar visual characteristics describes
________ _________.
Biogeography: - ✔✔Geographic distribution of species by means of continental drift
Convergent Evolution: - ✔✔Distantly related organisms, that were separated by biogeography,
that resemble one another
Theory of Evolution: - ✔✔Is a scientific theory whose predictions stand up to thorough and
continual testing by experimentation and observation
Microevolution: - ✔✔The changing of allele frequencies in a population over generation.
Population: - ✔✔A group of interbreeding organisms of the same species, in the same
geographic area.
Mutations and Sexual Reproduction: - ✔✔Two things that lead to genetic variation are...
