Examlex
The continental crust is heterogeneous but is predominantly made of____________ and is ________thick.
Twenty-third Pair
Refers to the last pair of human chromosomes, which determine an individual's sex: XX for females and XY for males.
Chromosomes
Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of DNA, carrying genetic information in the form of genes.
Sex of Child
Refers to the biological designation of a child as male or female, often determined at birth based on physical anatomy.
Cesarean
A surgical procedure used to deliver a baby through an incision in the mother's abdomen and uterus.
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