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STD 12 - 4. principal of inheritance and variation — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 4. principal of inheritance and variation1 Mark
MCQ
Which genotype represents a true dihybrid condition
  • ✓
    $Tt\ Rr$
  • B
    $tt\ rr$
  • C
    $Tt\ rr$
  • D
    $Tt\ RR$
✓

Answer

Correct option: A.
$Tt\ Rr$
a
(a) $TtRr$ produces $4$ types of gametes in $F_1$ gen$ -(1)\,TR \,\,(2)\, Tr\,\, (3)\, tR \,\,(4)\, tr.$

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