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Hoshuia Hoshuia
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6 years ago
The sex of a human is determined by the:a.
   number of chromosomes.
  b. number of autosomes.
  c. presence of only one X chromosome.
  d. number of sex chromosomes.
  e. presence of a Y chromosome.

Question 2

The sex of most mammals, birds, and insects is determined by:
  a. the temperature.
  b. the external environment.
  c. sex chromosomes.
  d. chance.
  e. the internal environment
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Lauraem32Lauraem32
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6 years ago
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6 years ago
My teacher is very rude and likes to speed his way through a lesson without letting the class ask questions. Thank you for helping me. You're a life saver Slight Smile
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