alleryVariation in human height is spread across:
Aone dominant gene
Bthe Y chromosome
Ca single gene pair
Dvery many gene sites
Answer & Solution
Correct answer: D. very many gene sites
1. Many traits, called complex traits, depend on the additive effects of many small gene effects.
2. Height is a good example, with variance spread across many hundreds of loci.
3. So no single gene decides it.
_Source: Wikipedia, "Nature versus nurture" (rev 1379405136), section "Gene–environment interaction"_
Keep practising Unit 3A2: Cognitive Development Theories (Piaget & Vygotsky)
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Related questions
Youth in the freedom struggle and youth today differ because development is shaped by:Plasticity in the life-span view means skills can be:Adults gain wisdom but lose running speed. This shows development is:In the life-span perspective, development takes place:Biological, cognitive and socio-emotional processes in development are:Changes in emotions, personality and relations with others are which processes?Thought, perception, attention and problem solving are which kind of process?Genes shaping height, weight and brain growth show which kind of process?