"The sex of a newborn child is a matter of chance and none of the parents may be considered responsible for it." Justify this statement with the help of a flow chart showing determination of sex of a newborn.

Explanation

To justify the statement "The sex of a newborn child is a matter of chance and none of the parents may be considered responsible for it," we can analyze the process of sex determination in humans. Here’s a step-by-step text solution along with a flowchart representation:

### Step-by-Step Solution:

1. **Understanding Chromosomes**:
- Humans have 23 pairs of chromosomes, totaling 46 chromosomes.
- Out of these, 22 pairs are autosomes, and 1 pair is sex chromosomes.

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