There are many genes that could affect a person's weight. This is accomplished by suppressing certain fat burning genes in the body.
Genes do play a role and have an effect on metabolism. For example if a persons family has many incidences of obesity, it is highly likely that person will also be obese because their genes will cause their metabolism to be slow.
A peculiar environment can affect genes and their expressions
yes it can affect the coding of genes.
genes and the environment
The dominant genes take over, and then the recessive genes hide away
Genes tell cells how to make proteins.
Being born with certain genes.
The Sex chromosomes
It surpress them and stops them from showing physically.
Genes produce proteins that cause traits.
no
Skin colour is determined in part by genetics and in part by environment. Skin colour genetics is complex and involves several different genes, the genes determin the size and structure of melanin granules in the skin. A persons exposure to sunlight will affect the colour of their skin.