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Define the following terms:a. Dihybrid cross b. Homozygous c. Heterozygous d. Test cross |
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Answer» a. A cross between parents differing in two heritable traits is called dihybrid cross. b. An individual possessing identical alleles for a particular trait is called homozygous or pure for that trait. E.g. TT for tallness and tt for dwarfness. c. An individual possessing contrasting allele for a particular trait is called heterozygous. E.g. Tt showing tallness. d. The cross of F progeny with homozygous recessive parent is called a test cross. |
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