AP Bio Ch 12 Chromosome & Genes

13 Questions  I  By Rnreda on November 10, 2008
Ch 12 Outline quiz

  
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1.  Marfan's disease in humans, with its numerous effects, is an example of
A.
B.
C.
D.
E.
2.  A classical example of epistasis is
A.
B.
C.
D.
E.
3.  In chromosome mapping, one map unit represents
A.
B.
C.
D.
E.
4.  Different pairs of recessive alleles can interfere with a biochemical pathway and thus produce albinism.
A.
B.
5.  In a case of incomplete dominance, the phenotypic ratio of the F2 generation is the same as the genotypic ratio.
A.
B.
6.  What is the hereditary cause of type AB blood?
A.
B.
C.
D.
E.
7.  A classical example of codominance is
A.
B.
C.
D.
E.
8.  A small number of recombinants will occur due to crossing over between linked genes on homologous chromosomes.
A.
B.
9.  A classical example of multiple alleles is
A.
B.
C.
D.
E.
10.  Trisomy occurs when a chromosome, usually an autosome, is lost during meiosis.
A.
B.
11.  Skin color in humans, caused by several genes at several loci, is an example of
A.
B.
C.
D.
E.
12.  A human male has ____ chromosomes with ____ sex chromosomes.
A.
B.
C.
D.
E.
13.  What causes Down syndrome?
A.
B.
C.
D.
E.
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