Anthro 101 Exam 2 Questions And
Answers
/. During the eighteenth century, many scholars became interested in biological
diversity, human origins, and our position within the classification of plants and animals.
At that time, the most commonly accepted explanation of the origin of species was -
Answer-✅creationism, the belief that biological similarities and differences originated at
Creation and that these characteristics, once set, could not change.
/.Although Darwin became the best-known evolutionist, the idea of evolution had been
around well before him. Darwin's key contribution was to propose a mechanism that
drives evolution, which is known as - Answer-✅natural selection.
/.The example of the sickle-cell allele demonstrates a key aspect of evolution through
natural selection, in that - Answer-✅adaptation and fitness are in relation to specific
environments; traits are not universally adaptive or maladaptive.
/.Which of the following statements about the HbS allele is FALSE? - Answer-
✅Homozygous individuals usually develop fatal cases of dysentery.
/.Natural selection is the only mechanism driving genetic evolution.
Question options: - Answer-✅False
/.For natural selection to work on a particular population, - Answer-✅there must be
variety within that population.
/.Recessive traits are expressed only in homozygous individuals. - Answer-✅True
/.Genotype refers to expressed physical traits based on their genetic makeup. - Answer-
✅False
/.Mutations introduce genetic variation into a gene pool. - Answer-✅True
/.Which of the following statements about the concept of race as applied to humans is
TRUE? - Answer-✅It is a discredited concept in biology.
/.In theory, a biological race is a geographically isolated subdivision of a species.
Humanity (Homo sapiens) lacks such races because - Answer-✅human populations
have not been isolated enough from one another to develop such discrete groups.
Answers
/. During the eighteenth century, many scholars became interested in biological
diversity, human origins, and our position within the classification of plants and animals.
At that time, the most commonly accepted explanation of the origin of species was -
Answer-✅creationism, the belief that biological similarities and differences originated at
Creation and that these characteristics, once set, could not change.
/.Although Darwin became the best-known evolutionist, the idea of evolution had been
around well before him. Darwin's key contribution was to propose a mechanism that
drives evolution, which is known as - Answer-✅natural selection.
/.The example of the sickle-cell allele demonstrates a key aspect of evolution through
natural selection, in that - Answer-✅adaptation and fitness are in relation to specific
environments; traits are not universally adaptive or maladaptive.
/.Which of the following statements about the HbS allele is FALSE? - Answer-
✅Homozygous individuals usually develop fatal cases of dysentery.
/.Natural selection is the only mechanism driving genetic evolution.
Question options: - Answer-✅False
/.For natural selection to work on a particular population, - Answer-✅there must be
variety within that population.
/.Recessive traits are expressed only in homozygous individuals. - Answer-✅True
/.Genotype refers to expressed physical traits based on their genetic makeup. - Answer-
✅False
/.Mutations introduce genetic variation into a gene pool. - Answer-✅True
/.Which of the following statements about the concept of race as applied to humans is
TRUE? - Answer-✅It is a discredited concept in biology.
/.In theory, a biological race is a geographically isolated subdivision of a species.
Humanity (Homo sapiens) lacks such races because - Answer-✅human populations
have not been isolated enough from one another to develop such discrete groups.
