Biology Practice Test (part 3)

50 Questions  I  By Nokee
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Biology Quizzes & Trivia

  
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1.  Peas were good organism of choice for Mendel Because
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B.
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E.
2.  The region of the chromosome occupied by a gene is called a ______,
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B.
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D.
E.
3.  If the allele for inflated pea pods (I) is dominant to the allele for constricted (i), the cross Ii x ii is expected to produce
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B.
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4.  According to the Law of Segregation, in an organism with the genotype Aa
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B.
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D.
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5.  A recessive gene is
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B.
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6.  If we cross two pea plants each heterozygous for yellow seed color genes, the expected ratio of yellow: green among the offspring will be
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7.  When alleles move into different gametes, this demonstrates
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8.  When Mendel used true-breeding white flowers and true-breeding purple flowers as the parental generation, he obtained which of the following results?
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B.
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E.
9.  In humans there are 22 pairs of autosomal and one pair of sex chromosomes
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B.
10.  When the expression of a trait is influenced by the action of many genes, the pattern of inheritance is called
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11.  In Mendel’s experiments, if the gene for tall (T) plants was incompletely dominant over the genet for short (t) plants, what would be the result of crossing two Tt plants? (similar to the straight, curly, wavy hairs).
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12.  The genetic makeup of an individual is its
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13.  All of the following combinations are possible in the gametes of an organism that is AaBb EXCEPT
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14.  What is the genotype of a dominant individual if some of its offspring show the recessive phenotype?
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15.  Pleiotropy is when 1 gene encodes many traits
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B.
16.  Plasmids are
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17.  Phenotype refers to the genetic makeup of an organism
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B.
18.  In biotechnology research, DNA fragments created by restriction enzyme
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B.
19.  In Owl, digestible food gets separated from non-digestible (i.e, feathers, bones, teeth) in
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20.  Which of the following techniques amplifies a specific region of DNA?
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21.  The polymerase chain reaction includes the following steps EXCEPT
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22.  Restriction enzymes are useful in recombinant DNA studies because they
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23.  If you wish to develop a procedure for indentifying upregualated & downregulated mRNAs in a disorder what method would be most likely to be useful?
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24.  In DNA microarray, a yellow color spot means
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25.  Which of the following molecular techniques involves “ DNA replication in a tube”?
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26.  DNA restriction enzymes are
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27.  Transgenic animals are those which express DNA derived from another
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B.
28.  DNA microarray is a technique which allows comparison of the protein patterns between two treatment conditions
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B.
29.  Which of the following is an example of recombinant DNA technology?
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B.
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30.  There are potential risks in performing recombinant DNA research on plants
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B.
31.  A population is BEST defined as
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32.  The gene pool is defined as
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33.  Evolution can be defined as
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34.  Which of the following discoveries led to the birth of the recombinant DNA technology
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35.  Which of the following is currently used to produce genetic “fingerprints” of people?
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36.  How many STRs are present in the following sequence ACGGACGGACGG
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37.  DNA microarray study tells you
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38.  DNA microarray is a
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39.  Experts study evolution using which of the following disciplines
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40.  In the chromatography lab you isolated
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41.  In the chromatography lab, you read the _______ using different wavelengths
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42.  Darwin and _______ both developed an proposed the theory of evolution by natural selection
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43.  Fossils are rocks or sediments that
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44.  Which of these conditions was NOT included in Darwin’s theory of natural selection?
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45.  Which of the following did you find in the owl pellets?
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46.  Thomas Malthus proposed
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47.  On the Origin of Species was written
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48.  DNA microarray studies need not to be hypothesis-driven
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B.
49.  According to the Aristotle ladder of Nature evolution could
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50.  Wallace proposed that natural selection is a mechanism for evolution of species.
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B.
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