Question

Fill in the blanks-

1............ is the alternative forms of character
2. The oxygen evolved during photosynthesis comes from.........
3 Dillerenices among inulividuals or a species are called...........
4. ............are the male and female sex cells
5.In a DNA strand .......bonds Join the complementary nitrogenous bases.​

Answer 1

Allele is the alternate form of character.

The oxygen evolved during photosynthesis comes from water.

The difference among individual of a species are called variations.

The  sperm and ovum are the male and female sex cells.

In a DNA hydrogen bond join the complementary nitrogenous bases

Explanation:

• genetic study is very important in the betterment of human body. The gym are present in DNA strand. The DNA strand consists of four nitrogenous bases. The nitrogenous bases of the either DNA strand is joined by using hydrogen bond. the differences among individual is known as variation
• the variations increase in case of meiotic division and decrease in case of mitotic division