Genetics aren't the only thing to influence when girls start their period. It's entirely possible that one twin starts her period before the other (even if they are identical).
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Not necessarily. While twins may experience their first period around the same age due to genetic similarities and shared environments, they can still have individual variations in their menstrual cycles. Factors such as stress, diet, and overall health can influence when each twin starts menstruating.
It is not common for identical twins to have their periods at the exact same time. Menstrual cycles can be influenced by a variety of factors such as stress, diet, and lifestyle, which can cause variations in the timing of periods even among twins.
No, twins are typically siblings born at the same time from the same pregnancy. Each twin comes from the union of one egg and one sperm. Twins can be identical (monozygotic) or fraternal (dizygotic), but they always have the same biological parents.
Two twins are two people. Twins are siblings born at the same time, sharing the same age and often a strong physical resemblance.
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Twins are similar in that they share similar genetics and are typically born at the same time. However, they can be different in terms of their personalities, interests, and experiences, as they are individuals with unique identities. Additionally, identical twins share the same DNA, while fraternal twins do not.