With the help of a cross show how the sex of offspring of humans is determined .

With the help of a cross show how the sex of the child is determined in human being.

With the help of a cross show the way sex is determined in human being.

With the help of a diagram show the mechanism of diffusion.

With the help of checker board show the type of offsprings that might be produced in a cross between hybrid black guineaping and a pure white guineaping. State the law of Segregation as proposed by Mendel.

Show with the help of a cross who is more important among parents in determning the sex of their offspring.

Show with the help of a cross who is more important among parents in determning the sex of their offspring.

Show with the help of a cross how the first law of Mendel is deviated in the case of Four-O'clock plant in F_2 generation.

With the help of Balmer's relation, show how the wavelengths of the spectral lines of hydrogen can be determined.

Show with the help of cross how haemophilia is inherited.

Show with the help of a ray diagram how the image is formed in an astronomical telescope .