Human Health and Disease — BIOLOGY STD 12 Science — Question

Choose the correct statement from the following:

The cell of the sporogenous tissue undergo meiotic division to form microspore tetrads what would be the ploidy of the cells of sporogenous tissue

In genetic engineering experiments, restriction enzymes are used for:

In the lac operon which one is responsible for code of repressor ?

Santalum album is:

Use of certain chemicals and radiation to change the base sequences of genes of crop plants is termed:

The microscopic structure in flower that contains polar nuclei is

Infectious diseases are caused by _______.

Two dominant non-allelic genes are 50 map units apart. The linkage is.

Female rarely experience the physiologic defect of haemophilia because they do so only when they are