Exam (elaborations)
BIO 101 post test questions with actual answers
- Course
- Bly 101
- Institution
- University Of South Alabama
BIO 101 post test questions with actual answers
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BIO 101 post testChromosomes are located in a nucleus in which of the following?
I. Viruses
II. Prokaryotes
III. Eukaryotes A. III only B. I only C. I and II only D. II only E. II and III only - correct answer ✔✔E.
In the deserts of the sourthwestern United States, rock formations made from lava flows are found scattered across the sand. The rock pocket mouse, which has dark fur, lives on the black lava rocks. The Apache pocket mouse, which has light fur, lives on the tan sand. Which of the following statements best explains how these two types of mice could have evolved from a common ancestor? A. Individual mice changed their fur color to escpe their predators. B. Natural selection favored different fur colors in the different habitats. C. The emigration of mice changed the gene pools in the original population. D. The original population of mice spread out geographically to relieve overcrowding. - correct answer ✔✔B
Which of the following normally results from meiosis in a human cell that contains 46 chromosomes? A. A sperm cell with 23 chromosomes B. An egg cells with 46 chromosomes C. A blood cell with 46 chromosomes D. A liver cell with 23 chromosomes - correct answer ✔✔A
Female cattle that have white coats are crossed with male cattle that have red coats. Both male and female offspring have roan coats, which are coats with both red hairs and white hairs. Which of the following best describes the genetics of coat color in the cattle? A. The red allele is dominant to the white allele. B. The red allele is recessive to the white allele. C. The red and white alleles are codominant. D. The red and white alleles are sex-linked. - correct answer ✔✔C
An endangered species is most vulnerable to extinction when it has which of the following characteristics? A. A high birthrate
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