Related Questions

S1: While crossing a busy road we should obey the policeman on duty.
P: We should always cross the road at the zebra crossing.
Q: We must look to the signal lights and cross the road only when the road is clear.
R: If there are no signal lights at the crossing, we should look to the right, then to the left and again to the right before crossing the road.
S: If the road is not clear we should wait.
S6: We should never run while crossing a road.

The Proper sequence should be:
In Drosophila Crossing over in paracentric region is lethal and leads to cross-over suppression. This leads to reduction in fertility.
If crossing over occurs within the loop of a pericentric inversion, then the resulting chromatids have
Paracentric is a type of inversion involving centromere.
Statement : On an average, about twenty people are run over by trains and die every day while crossing the railway tracks through the level crossing.

Courses of Action :
I. The railway authorities should be instructed to close all the level crossings.
II. Those who are found crossing the tracks, when the gates are closed, should be fined heavily.
Simplify : $${{{5 \over 3} \times {7 \over {51}}{\text{ of }}{{17} \over 5} - {1 \over 3}} \over {{2 \over 9} \times {5 \over 7}{\text{ of }}{{28} \over 5} - {2 \over 3}}}$$
n the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives. The rising sun has great inner ______. Not just to ______ the new morning right after the dark night, but also the new rhythms and vibrations within existence. Theentire universe – including the trees, birds and flowers – wake up to the rising sun. When we listen to the birds chirping and see the flower petals open, rememberthat the sunrise is not just a great happening on the outside. If we are alert and aware, then the sunrise is also happening deep within us. Something within ourselvesis also ______ with the first rays of the sun. We just need to be sensitive and available; we just need to be ______. Like the outside world, we need to open the inner doorto let the new dawn enter within. Just open the window of our inner world and allow the beautiful experience of sunrise to ______ within ourselves – this experience isbeyond anything earthly. sunrise to ______ within ourselves
The phenomenon in which occurrence of one crossing over in chromosome interfers with the second crossing over in neighbouring segments is
Consider the following statements and choose the correct answer:
1. In the phenomenon of linkage and crossing over, the genes are arranged in a linear order in a chromosome
2. The linkage groups in an organism are equivalent to the number of chromosome pairs
3. The chances of crossing over are more between two closely placed genes as compared to the genes placed in far proximity
4. The position of genes is very definite in the chromatid
What are the results of pericentric inversion with single crossing over?