EDUCATION UGC NET
CHILD DEVELOPMENT AND PEDAGOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Fraternal twins will express the behaviour more similarly than identical twins
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There will be little similarity in the expression of the behaviour in either set of twins
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Identical twins will express the behaviour more similarly than fraternal twins
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The behaviour will be expressed as similarly by identical twins as it is by fraternal twins
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Detailed explanation-1: -Advantages of twin studies Twin studies allow disentanglement of the shared genetic and environmental factors for the trait of interest. Researchers can estimate the proportion of variance in a trait attributable to genetic variation versus the proportion that is due to shared environment or unshared environment.
Detailed explanation-2: -Identical twins Identical (monozygotic) twins happen when a single egg (zygote) is fertilised. The egg then divides in 2, creating identical twins who share the same genes. Identical twins are always the same sex, so if your twins are identical, you’ll have 2 girls or 2 boys.
Detailed explanation-3: -Twins do develop differently because they share a deep and primary attachment. Often young twins can feel inseparable. Alongside closeness, twins and triplets also have to share their parents’ attention. Vying for attention from mom and dad creates competition and intensifies their fighting.
Detailed explanation-4: -What happens if twins have a baby together? If two sets of identical twins reproduced, the resulting children, known as quaternary twins, would be genetically more like siblings than cousins and would likely look very much alike. If two sets of fraternal twins reproduced, the children would be ordinary cousins.