Short Answer TypeIn 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.
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.
(a) Mention the difference in the mode of action of exonuclease and endonuclease.
(b)How does restriction endonuclease function?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
Switch
