$A$ : Hybrid seeds have to be produced every year because seeds collected from hybrid plants, if sown
subsequently, do not maintain hybrid characters.
$R$ : Hybrid seeds show segregation of traits.
Assertion and Reason both are correct and also correct explanation.
Assertion and Reason both are correct but not explanation of assertion.
Assertion is correct, but Reason is incorrect.
Both Assertion and Reason are incorrect.
$A$ : Apomictic embryo is asexual mode of reproduction.
$R$ : It prevents the segregation of traits.
Parthenocarpic tomato fruits can be produced by
In agamospermy, the embryo sac is diploid because it is formed without meiosis. Such embryo sac may develop from
In case of polyembryony, if an embryo develops from the synergid and another from the nucellus which is haploid and which is diploid ?
Is some plants, the female gamete develops into embryo without fertilization. This phenomenon is known as