MCQ
A test cross is performed:
- ABy selfing of $\mathrm{F}_2$ generation plants.
- BBy selfing of $\mathrm{F}_1$ generation plants.
- ✓To determine whether $\mathrm{F}_1$ plants are homozygous or heterozygous.
- DBetween homozygous plants.
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$I.$ Production of caffeine, tannin quinine
$II.$ More production of non-woody tissues
$III.$ Productions of hairs, thorns, spines
$IV.$ Production of hormone-like chemicals that interfere with insect metamorphosis
Select the correct pair