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Home Q & A Board Biology-Related Homework Help General Biology
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mkwilliams mkwilliams
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6 years ago
A testcross involves
  a. two F1 hybrids.
  b. an F1 hybrid and an F2 offspring.
  c. two parental organisms.
  d. an F1 hybrid and the homozygous dominant
  parent.
  e. an organism of dominant phenotype but
  unknown genotype and an organism that is
  homozygous recessive for that trait.

Question 2

A testcross consists of a cross
  a. of two pure-breeding forms to find out which
  form of a gene is dominant.
  b. between two unknown forms to determine their
  genotypes.
  c. between an offspring and its homozygous
  dominant parent.
  d. of an organism of dominant phenotype but
  unknown genotype to an individual that is
  homozygous recessive for that trait.
  e. of two F2 individuals to produce an F3
  generation.
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bcspearsbcspears
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6 years ago
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mkwilliams Author
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#2
6 years ago
Cheers!!
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#3
6 years ago
Cheers too Thumbs Up Sign
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