Biodiversity and Conservation — BIOLOGY STD 12 Science — Question

Assumption that genetic code is a triplet was suggested by

An abnormal gene is replaced by normal gene. It is called __________:

Cryptochoridism is a condition in which:

The amount of inorganic substances present in an ecosystem at a given time is known as:

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

During organ differentiation in Drosophila, an organ is modified to another organ (such as wings may be replaced by legs) Genes responsible for such metamorphosis are called:

The sixth extinction in progress currently is different from all previous extinctions on earth as it is:

Branching descent and natural selection development are the concepts of which scientist?

How many codons are present in inheritance codon?

In a DNA molecule, the cytosine is 18%, then the percentage of adenine will be?