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【How-to】When do babies develop ears
Your baby will inherit 46 chromosomes, 23 from each parent. One pair is the relationship chromosomes, known as the X and Y.
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The mix of genes present on chromosomes, approximately 30,000 of them , will, for example, determine:
- the color of your baby’s eyes.
- hair.
- body shape.
- presence or lack of dimples.
- a great singing voice.
