Examlex
A baby cries in response to faces of strangers but smiles when he sees his mother's face. What is this an example of?
Siblings
Individuals that share one or both biological parents.
Crossing-Over
The exchange of genetic material between homologous chromosomes during meiosis, resulting in genetic recombination and variety in offspring.
Variation
The occurrence of differences among individuals within a population due to genetic diversity or environmental factors, leading to evolutionary adaptations.
Sister Chromosomes
Identically replicated chromosomes, paired and connected by a centromere, originating from the same chromosome during cell division.
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