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How is the idea that trait information exists in two copies made clear by Mendel's experiments?

Answer and explanation

Correct answer: Offspring receive one copy of information for each trait from each parent

The governing concept is the paired-allele model of inheritance. In sexual reproduction, each parent forms gametes carrying one allele for a trait. At fertilisation, the offspring receives one allele from the mother and one from the father, restoring a pair. For example, Tt may result from T supplied by one parent and t by the other, allowing dominant and recessive relationships to be observed. Therefore option A is correct; the other choices deny biparental inheritance or confuse inherited traits with acquired characteristics.

Related tags

AllelesInheritanceParentsMendel’s LawsMendel S LawsHeredity And EvolutionScienceClass 10 Mcq

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