How is the equal genetic contribution of male and female parents ensured in the progeny?

Explanation

To understand how equal genetic contribution from male and female parents is ensured in the progeny, we can break down the process into several key steps:

### Step-by-Step Solution:

1. **Understanding Chromosomes**:
- Human beings have a total of 23 pairs of chromosomes, which amounts to 46 chromosomes in total. Out of these, 22 pairs are autosomes (non-sex chromosomes), and the 23rd pair consists of sex chromosomes (XX for females and XY for males).

**Hint**: Remember that chromosomes are structures that carry genetic information.
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