Campbell Essential Biology (7th Edition)
Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Chapter 9, Problem 3SQ

Edward was found to be heterozygous (Ss) for the sickle-cell trait. The alleles represented by the letters S and s are

  1. a. on the X and Y chromosomes.
  2. b. linked.
  3. c. on homologous chromosomes.
  4. d. both present in each of Edward’s sperm cells.
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