How do these characteristics affect the social and emotional wellbeing of a person?
they influence a person's self-concept, which is composed of their self-image and self-esteem
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What is self-image?
how a person sees themselves
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What is self-esteem?
how they feel about themselves
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What do chromosomes do?
they carry genes that determine aspects of a person's physical makeup
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What is a gene?
a section of DNA that carries a code
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What are alleles?
different versions of a gene, which code for variations of the same characteristics (such as blue eyes and brown eyes)
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Give an example of an environmental factor and its effect
Pollution- can trigger asthma, cause breathing problems, cause respiratory problems
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When can conditions be inherited?
when faulty alleles are passed from one parent (if dominant) or both parents (if recessive). Also, by whole chromosome abnormalities, eg down's syndrome
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How and when does Down's syndrome occur?
it commonly occurs when a child inherits an extra chromosome 21
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What is the effect of Huntington's disease and the allele type?
Dominant- involuntary movements and gradual loss of intellectual ability
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What is the effect of Neurofibromatosis (NF1) and the allele type?
Dominant- tumours grow along nerves
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What is the effect of cystic fibrosis and the allele type?
Recessive- a build-up of sticky mucus damages the lungs
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What is the effect of sickle cell anaemia and the allele type?
Recessive- blood disease causing episodes of pain
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What is genetic predisposition?
some people are predisposed (more likely) to develop conditions because of their genetic makeup, e.g heart disease, cancer, diabetes
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What factors depend on whether a person actually develops these conditions?
lifestyle (diet, exercise) and environmental factors (air quality, levels of stress)
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What is the effect of inherited disorders physically?
body systems, growth and mobility
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What is the effect of inherited disorders intellectually?
learning, thinking, problem solving, decision making
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What is the effect of inherited disorders emotionally?
how people feel about themselves
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What is the effect of inherited disorders socially?
the ability to build relationships
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Other cards in this set
Card 2
Front
What physical characteristics can children inherit from their parents?
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