Yes
Heredity plays an important role in puberty. The age and time at which puberty hits depends on the parents. Also the extent to which the child grows depends on the parents.
Abiotic factor
Usually, the age is the important factor. Also the genes should be considered.
Age is the most important factor. Proper diet also may affect the onset of puberty a bit. The genes also play a very important role.
Not yet.
Genes ARE heredity.
Not yet.
Yes, it can.
Not yet.
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Heredity is a risk factor of health. For example, you are risk of having HTN if you have a a familial history of hypertension.
Calvin Walker has written: 'The influence of heredity and some environmental components on occurrence of puberty in gilts in confinement' -- subject(s): Sows, Puberty