Who is considered as 'father of actinobiology"?

In paracentric inversion

Drones do not have _(i) and thus cannot have (ii), but have a (iii) and can have _(iv)_ The correct words for (i), (ii), (iii) and (iv) respectively are

Select odd one w.r.t sex limited traits

Porcupine skin is a

Mutation that occurs due to addition of a part of chromosome so that gene(s) is/are represented twice, is called

Select correct option w.r.t trisomy aneuploidy

Environmental mechanism of sex determination is observed in all of the following, except

In case of chronic myelogenous leukemia, which one of the following is called "Philadelphia chromosome"?

Substitution of a purine base with a pyrimidine base or vice versa is called