BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Specific plant hormones including auxins, gibberellins and cytokinin are responsible for the formation of seedless fruit.

Detailed explanation-2: -DefH9-iaaM gene is expressed in the ovules and placenta but also in the tissues derived from them, allowing the synthesis of auxin also in later stages of fruit growth. This continuous supply of auxin produces seedless fruits that are equal or bigger in size compared to pollinated fruits.

Detailed explanation-3: -Like auxins, gibberellins are a class of hormones that have important commercial applications. Almost all seedless grapes are sprayed with gibberellins to increase the size of the fruit and the distance between fruits on the stems.

Detailed explanation-4: -Auxins and gibberellins are important plant hormones and play a significant role in the development of fruits. They are naturally present phytohormones, but can also be added externally to the plant. These two hormones are widely used to develop seedless fruits on a commercial scale.

Detailed explanation-5: -Seedless orange, grapes, and watermelon are produced by using gibberellins.