Nature Versus Nurture Debate and Children

I must admit it really saddens me when I hear a parent saying their child is like them or a particular relative, if the child cannot perform a task or do a specific thing.
You know what I mean? 'I was never any good at maths and so little Johnny will also not be good at math.
That explains his poor math grades and the fact that he cannot remember his times tables.
' How untrue this is.
There are many explanations as to why a child cannot do a given task or activity and most of the time it is not down to nurture more a case of nature.
What is nature versus nurture debate? This debate argues that humans behave in a certain way due to environmental factors (nurture) whilst other scientist believe it is due to genetics or our animal instincts (nature).
I believe it is a combination of both.
However, given the right resources most children can do most activities and learn all topics of a given subject.
It is a matter of how they are nurtured to learn and not if they can ever learn it.
If a family member constantly states that a child is unable to do a given task - due to the nature of that child and some genetic dysfunction, then it just becomes a self-fulfilling prophesy.
Most children are intelligent enough to understand these conversations and the connotations of them.
Basically, they know it means that they are not expected to do well and so what is the point of trying as, 'if Dad can't do it, how can I possibly do it?' I really don't understand these conversations and why they take place.
Parents should not put their anxieties and worries onto their children.
It is as if they take solace in the fact that there is another human in the world that is unable to do a given task which they also cannot do.
We should never state to our children that they are unable to do something and tell them that we were also bad at it.
Children will not excel in a subject if we constantly state that that subject is difficult and hard to learn.
Children are influenced by the conversation and discourses they hear within the family.
To them, their family are the gospel of the truth.
It is only as they get older that they start to form they own opinions.
Mostly, children take on their parents' norms and values.
Parents need to be positive about a subject.
If you hate math, then hire in a tutor.
Do not let your anxieties about the subject impede the learning of your child.
Do not look for an excuse as to why your child does not understand topics within the subject.
Look for the positives and highlight those instead.
There may be legitimate reasons as to why your child cannot do a given subject and they should be looked into before we blame some genetic dis-functionality!