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A woman has only daughters. Analyse the situation genetically and provide a suitable explanation.
Humans have two sexes, X and Y. In women, there are , which is a perfect pair. But duration. The child's sex is determined by the inherited chromosome in humans. The zygote will develop into a female if the zygote inherits the chromosome. The zygote will develop into a male when it inherits the chromosome. The sex of a child is therefore determined by the type of sex chromosome the male gamete contributes. If a woman only has daughters, the reason is that the child has sex chromosome pairs. This indicates that in every fusion, the sperm carrying X chromosome fertilized the ovum.
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