Which one of the following is a physical factor that induce mutation?
Acridines
$HNO_{2}$
$UV-$rays
Base analogue
$UV$-rays and Non-ionised radiation
Which of the following are most abundant types of antibodies
Lethal genes are
When whole blood is stored with an anticoagulant at $4^\circ C$, the ${K^ + }$ ions move out from the $RBC$ into the plasma. The most likely reasons for this is that
One of the following is sex-influenced character
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