For humans height and weight is determined genetically and environmentally. Common environmental influences were found to play an important role in influencing variability in body weight height and bmi in early childhood in both sexes particularly for body height where the influence of the common environment remained significant for a longer period up through 12 years of age.
How Much Of Human Height Is Genetic And How Much Is Due To
What environmental factors influence height and weight. It must be pointed out that it is very difficult to separate the influence of genetic and environmental factors on the height and weight of children. Nutrition the variations foundin height andweight arehereexaminedin greater detail. Weight is less affected by genetic factors than height but weight is highly correlated with height. Nutrition the variations found in height and weight are here examined in greater detail. Among others the maternal age order of birth and crowding within the uterus determine the weight and height of babies. Khosla t lowe cr.
Environmental factors play a significant role even before birth. Growth responses of the school child to changes in diet and environmental factors. Body weight race and climate. Br j prev soc med. It must be pointed out that it is very difficult to separate the influence ofgenetic andenvironmental factors onthe height andweight ofchildren. By using a weight for height index the influence.
For the most part genetics plays a role in how tall or short an individual is. Pmc free article roberts df. Weight is less affected by genetic factors than height but weight is highly correlated with height. First born babies for example have a birth weight of about 100 g less than second or third babies. Indices of obesity derived from body weight and height. Howe pe schiller m.
However common environmental influences were for the most part no longer significant by early to mid adolescence.
Gallery of What Environmental Factors Influence Height And Weight
