Whether the child will be a son or daughter

Now we can understand easily that the father or mother is responsible for the birth of a son or daughter. Both male and female have 44 autosomes, a pair of sex chromosome. Sex chromosome of a female is XX and that of the male is XY. The male gamete (sperm) bears X and Y chromosome. But the female gamete (egg) bears X and X. If the X bearing...

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Male-Female determining Chromosome

Every living being has a definite number of chromosomes. In human beings there are 23 pairs of chromosome. Among them 22. pairs are similar in both male and female, these are Autosomes . Members of the remaining pair of chromosome are different in male and female. This pair of chromosome determines the sex of human beings. As they determine the sex, so they are called X and y sex chromosome or sex determining chromosome. One...

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Different Stages of Mitosis

Mitosis is a continuous process. The process is completed by a complex  method. According to the sequence and stages, this continuous process is divided into five stages. The stages are: (1)Prophase, (2) Pro-Metaphase, (3) Metaphase, (4) Anaphaseand (5) Telophase.               ...

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