In a cross between two tall pea plants some of the off-springs produced were dwarf. Show with the help of Punnett square how this is possible.
The two tall plants need to be heterozygous in nature to produce a dwarf plant. The parents should have Tt genotype. They form two types of gametes T and t , from which t and t combine and form a dwarf plant.
Draw a diagram of the microscopic structure of human sperm. Label the following parts in it and write their functions.
(a) Acrosome
(b) Nucleus
(c) Middle piece
(a) Mention the difference in the mode of action of exonuclease and endonuclease.
(b)How does restriction endonuclease function?A student on a school trip started sneezing and wheezing soon after reaching the hill station for no explained reasons. But, on return to the plains, the symptoms disappeared. What is such a response called? How does the body produce it?
Write the function of adenosine deaminase enzyme. State the cause of ADA deficiency in humans. Mention a possible permanent cure for ADA deficiency patient.
