It is given that P(A) = 0.42, P(B) = 0.48, P(A and B) = 0.16
(i) P(not A) = 1 – P(A) = 1 – 0.42 = 0.58
(ii) P(not B) = 1 – P(B) = 1 – 0.48 = 0.52
(iii) We know that P(A or B) = P(A) + P(B) – P(A and B)
∴ P(A or B) = 0.42 + 0.48 – 0.16 = 0.74
During meiosis, the number of chromosomes and the amount of DNA in a cell change.
(i) Number of chromosomes (N) per cell
During anaphase I of the meiotic cycle, the homologous chromosomes...
February Revolution
On 22 February: A lockout at a factory.
Demonstrators thronged the centre of the capital, and curfew was imposed.
25th February: Suspension of Duma.
27th February: Formation of...
Microsporogenesis
Megasporogenesis
It is the process of the formation of microspore tetrads from a microspore mother cell through meiosis.
It is the process of the formation of the four megaspores from a megaspore...
Menarche represents the beginning of menstrual cycle which is an indication of attainment of sexual maturity. Menopause, on the other hand, refers to the cessation of menstruation which inturn means...
1. The primary follicle grow and become fully mature graafian follicles.
2. Secretion of estrogen hormone.
3. Endometrium of uterus regenerates through proliferation.
February Revolution:
1. On 22 February: A lockout at a factory.
2. Demonstrators thronged the centre of the capital, and curfew was imposed.
3. 25th February: Suspension of Duma.
4. 27th February: Formation of...
