AP Bio Ch 12 Chromosome & Genes

13 Questions  I  By Rnreda
Ch 12 Outline quiz

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