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4. How A Girl Or Boy Is Created

 

Introduction

1. The Feminine Cycle

2. The Man's Contribution

3. The Fertilisation

4. How A Girl Or Boy Is Created

5. Marking the Ovulation Time

6. Calculating The Due Date Of Birth

Annex.  Female Anatomy

 

 

A simple game of genetics will determine the sex of your baby.

 

Every man and woman constitutes 22 pairs of chromosomes plus one pair that is the difference between them; these are the sexual chromosomes X and Y.

 

Men have the chromosomes pairing of XY and women have the pairing of XX.

 

- Both the egg and the spermatozoa have 23 chromosomes.  

- The egg is always the carrier of the X chromosome

- The spermatozoa can carry either an X or a Y chromosome.

 

This means that it is the male side that determines the sex of the baby.

 

 

A little point to make...

Therefore:

 

 

Introduction

1. The Feminine Cycle

2. The Man's Contribution

3. The Fertilisation

4. How A Girl Or Boy Is Created

5. Marking the Ovulation Time

6. Calculating The Due Date Of Birth

Annex.  Female Anatomy

 

 

 

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