Biology Study Exam

The following quiz is a compilation of four different Biology tests... Chapter 8 Cell Cycle Test, Chapter 9 Patterns of Heredity Test, Chapter 13 Natural Selection Test, & Hardy-Weinberg Equations Test.

There are fourty random questions from the four different tests that are listed above. All of the questions are identical to the ones asked on the tests. Hopefully you will feel better prepared for your test after taking this!!

Created by: Cassie
  1. Cell division in bacteria and eukaryotes takes place in precisely the same manner.
  2. Centioles begin to move apart in animal cells.
  3. The longest of the mitotic stages.
  4. All of the following occur during prophase of mitosis in animal cells EXCEPT
  5. If there are 20 chromatids in a cell, how many centromeres are there?
  6. Cells that are in a nondividing state are in which phase?
  7. A spindle fiber is a specialized form of
  8. What is the name for the special region on a duplicated chromosome that holds the sister chromatids together?
  9. Which of the following shows the correct sequence of the cell cycle?
  10. A group of cells is assayed for DNA content immediately following mitosis and is found to have an average of 8 picograms of DNA per nucleus. Those cells would have ____ picograms at the end of the S phase and ____ picograms at the end of G2.
  11. Asexual reproduction and sexual reproduction are different in that
  12. Which one of the following was NOT a main idea that Darwin advanced in his works?
  13. What term is used to refer to structures that have a similar origin or ancestry even though they may be very different in appearance?
  14. What is a mutation?
  15. What is genetic drift?
  16. A rabbit population consists of animals that are either very dark on top or very light on top. When examining them closely, biologists were suprised to find no rabbit with a medium darkness, intermediate to the two extremes. This is an example of
  17. A population is
  18. Aristotle believed which of the following?
  19. Which one of the following people developed a theory of evolution identical to Darwin's?
  20. The unifying theme of biology is
  21. Broccoli and cabbages are both descended from the same wild mustard and can still interbreed. The existence of these two vegetables is an example of
  22. Alleles of a gene are found at ______ chromosomes.
  23. Mendel's law of independent assortment states that
  24. The expression of both alleles for a trait in a heterozygous individual illustrates
  25. A person with AB blood illustrates the principle of
  26. The mechanism that "breaks" the linkage between linked genes is
  27. How many sex chromosomes are in a human gamete?
  28. What is the normal complement of sex chromosomes in a human male?
  29. When crossing a homozygous recessive with a heterozygote, what is the chance of getting an offspring with the homozygous recessive phenotype?
  30. In a cross AaBbCc X AaBbCc, what is the probability of producing the genotype AABBCC?
  31. The ABO blood types have _______ different genotypes.
  32. Blood types (A,B,O) are controlled by
  33. If a woman blood type A has a child blood type O, the father may belong to the blood type
  34. Which terms represent the genotype frequencies in the Hardy-Weinberg equation? -let *=squared
  35. If the frequency of the recessive allele is 30 percent, the frequency of the heterozygous carrier would be what percent?
  36. Of 400 people who dwell on a Pacific island, 16 are homozygous recessive for a trait that has only two different types of alleles in the population. The number of heterozygous people is
  37. At a locus with a dominant and a recessive allele in Hardy Weinberg equilibrium, 16% of the individuals are homozygous for the recessive allele. What is the frequency of the dominant allele in the population?
  38. Cystic fibrosis is a recessive condition that affects about 1 in 2,500 babies in the Caucasian population of the United States. What is the frequency of the recessive allele in the population?
  39. Cystic fibrosis is a recessive condition that affects about 1 in 2,500 babies in the Caucasian population of the United States. What is the frequency of the dominant allele?
  40. Cystic fibrosis is a recessive condition that affects about 1 in 2,500 babies in the Caucasian population of the United States. What is the percentage of heterozygous individuals in the population. (rounded to the nearest hundredth)

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