How does fertilisation take place? Fertilisation occurs once in a month. Comment.

Explanation

### Step-by-Step Text Solution:

1. **Understanding Fertilization**: Fertilization is the process where a sperm cell from a male fuses with an egg cell from a female to form a zygote. This process is crucial for sexual reproduction.

2. **Ovulation in Human Females**: In human females, fertilization is closely tied to the menstrual cycle. Each month, typically around the 14th day of a 28-day cycle, one egg (ovum) is released from one of the ovaries. This process is called ovulation.

3. **Travel of the Egg**: After ovulation, the released egg travels into the fallopian tube (also known as the oviduct). This is the site where fertilization commonly occurs.

...