• What are chromosomes? Where are they seated? • What is a sex chromosome? • Explain the mechanism of sex determination in human beings.
Updated 1/17/2026
What is the function of genes in an organism?
Updated 1/17/2026
Mention the common mode of reproduction found in • Amoeba • Planaria.
Updated 1/17/2026
(a) What are “hormones”? (b) List four characteristics of hormones (c) Name the hormone required for the following: Functioning of mammary glands Regulation of calcium and phosphate Lowering of blood glucose Development of moustache and beard in human malc.
Updated 1/17/2026
(a) What will happen to guard cells and the stomatal pore when water flows into guard cells. (b) How do plants transmit information from cell to cell?
Updated 1/17/2026
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