At `16^@C` , two open organ pipes , when sounded together, produce 34 beats in 2 seconds. How many beats per second will be produced, if the temperature rises to `51^@C`? Neglect the increase in the length of the pipes.
In field A, the reason for parental trait in consecutive generations of the offsprings is self-pollination.
In field B, variation is seen to occur because of recombination of genes as cross...
