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Home Q & A Board Biology-Related Homework Help General Biology
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Goose7701 Goose7701
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6 years ago
The percentage of twins being born has increased in the past 20 years because of:
  a. the increased use of fertility inducing drugs.
  b. increases in hospital care.
  c. the desire of more couples to have twins.
  d. the increased use of thalidomide.
  e. the increased incidence of German measles.

Question 2

Monozygotic twins:a.
   occur when two eggs are ovulated.
  b. may be of different sexes.
  c. have different sets of genes.
  d. are called identical twins.
  e. result from the fertilization of two sperm cells.
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tomg2113tomg2113
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6 years ago
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Goose7701 Author
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6 years ago
This calls for a celebration Person Raising Both Hands in Celebration
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