Heredity

What is heredity? Explain its significance in the continuity of life on Earth.

Explain Mendel's Law of Segregation with the help of a monohybrid cross.

In a pea plant, a homozygous tall plant (TT) is crossed with a homozygous dwarf plant (tt). Find the phenotypic and genotypic ratio of the F2 generation. Show complete step-by-step working.

How is sex determined in human beings? Explain the genetic mechanism involved.

If a pure tall pea plant with round seeds (TTRR) is crossed with a pure dwarf pea plant with wrinkled seeds (ttrr), what will be the phenotype of the F1 generation? Explain the reasoning behind your answer.

Explain the monohybrid cross experiment conducted by Mendel by taking plant height as the characteristic.

Explain how sex determination is genetically regulated in human beings with the help of a brief description.

What are acquired and inherited traits? Give two examples of each and explain why acquired traits are not passed on to the next generation.