Question
The genetic cause(s) of heterosis include:
Solution
Heterosis arises fromĀ dominanceĀ (masking deleterious alleles),Ā overdominanceĀ (heterozygote advantage), andĀ epistasisĀ (gene interactions).
Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.
In a class among five students, T has more marks than U and V, but V does not have least marks. W has more marks than X and X has more marks than T, who...
If the difference between the weights of U and R is 23kg, then how many items are lighter than the item S?
Who among the following has more runs than T?
Three statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at varian...
Five persons P, Q, S, T and U have different heights. U is taller than S but shorter than P. T is shorter than S but not the shortest. Who among the fol...
Five people K, L, M, N, and Z read newspaper the person who read it first give it to M. The person who read it last took it from K. Z was neither first ...
In a class of 40 students, Monika is 13th from the left and Rakesh is 32th from the right end. How many students are there between...
Lakshmi is elder than Meenu. Leela is elder than Meenu but younger than Lakshmi. Lata is younger than both Meenu and Hari but Hari is younger than Meenu...
All 140 students in a class are standing in a row facing towards the north direction. Aryan is 33 rd from the right end and Priya is 23th fro...