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Bond [772]
3 years ago
14

LO 9.0 - PART 2

Biology
1 answer:
Lemur [1.5K]3 years ago
4 0

Answer:

The one who determines the gender of a new baby is the father, since he is the carrier of the X and Y sex chromosomes.

Explanation:

The sex chromosomes X and Y are called sex determinants, since the sex of the offspring depends on them:

  • <em>XX</em><em> corresponds to the female sex. </em>
  • <em>XY</em><em> corresponds to the male sex. </em>

A mother can only provide her offspring with X chromosomes, while the father can provide both X and Y chromosomes, so he is the one who determines the sex of a new child. In this case, the possibility of having a male or female child will always be 50:50

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