If it's a
noisy, random process, however, the two genes»
activity would differ, with some cells producing lots of green and
others lots of red, or any number of
other variations.
These aspects included father involvement in play and care when children were younger, whether parents have a mutually supportive partner relationship, home organisation (the extent to which the home atmosphere is calm and ordered, rather than
noisy and chaotic), family ethos (the extent to which family relations and
activities are mutually supportive and co-ordinated), and positive parenting (the extent to which parents are involved in the child's
activities and use praise and
other positive reinforcement of the child's behaviour).