ICSE Class 10 Biology Answer Key 2025 ... (rr), both parents must be heterozygous (Rr × Rr). This results in a 1:2:1 genotype ratio (RR:Rr:rr), meaning one child may have the recessive trait.

Pathanamthitta: The revised Class 10 textbooks scheduled for an official release by Kerala Chief Minister Pinarayi Vijayan in the Assembly on Tuesday, have been leaked online. The first volumes of the ...