Question
A man rows to a place 42 km away and comes back to the
starting point. If the speed of the stream is 2 km/hr and the speed of the boat in still water is 5 km/hr. Then what is the total time taken by him?Solution
42/((5+2)) + 42/((5-2)) = 6 + 14 = 20 hrs
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In backcross method of breeding,  the  hybrid  and  the  progenies  in  the  subsequent  generation  are  repeatedly ba...
Term for the distance on a chromosome that permits one percent recombination (crossing over) between two linked genes is?
The stages through which a cell passes from one division to the next is called the cell cycle. Cell cycle is divided into two phases called -Â Interpha...
Almost all gymnosperms are generally ……………………. In nature
Term which refers to the pairing of homologous chromosomes during meiosis and is essential for crossing over?
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