GENETICS AND EVOLUTION
INHERITANCE AND VARIATION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Down’s syndrome
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Klinefelter’s syndrome
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Turner’s syndrome
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Detailed explanation-1: -’ Down syndrome is also referred to as Trisomy 21. This extra copy changes how the baby’s body and brain develop, which can cause both mental and physical challenges for the baby. Even though people with Down syndrome might act and look similar, each person has different abilities.
Detailed explanation-2: -Abstract. We report a case of chimpanzee trisomy 22 in a captive-born female. Because chromosome 22 in great apes is homologous to human chromosome 21, the present case is analogous to human trisomy 21, also called Down syndrome.
Detailed explanation-3: -We describe a case of apparent trisomy 21 that does not fulfill the criteria for the clinical diagnosis of Down’s syndrome (DS).
Detailed explanation-4: -Trisomy 21, also known as Down syndrome, is a condition characterized by a distinctive pattern of minor and major anomalies associated with excess chromosome 21 material.
Detailed explanation-5: -It includes certain birth defects, learning problems, and facial features. A child with Down syndrome also may have heart defects and problems with vision and hearing. How severe or mild these problems are varies from child to child. Down syndrome is one of the most common genetic birth defects.