Inheritable and Non-inheritable characteristics some characteristics are passed on from parents to children – these are called inheritable… these characteristics may in turn be passed on to the following generation(s)…
Inheritable and Non-inheritable characteristics other characteristics are independent of parentage – these are called non- inheritable… these characteristics will not be passed on to the following generation(s)…we hope!
Inheritable characteristics are received from parents… father mother
Check out some of your own inheritable characteristics… Arm fold preference Hitchhikers thumb Pinkie finger alignment Ear lobe attachment
Check out your own… Arm fold preference: fold your arms - Do you fold right-over-left or left-over- right?
Check out your own Hitchhikers thumb: extend your thumb – ? Is it straight or curved?
Check out your own … Pinkie fingers: place them side by side – ? Are they straight or curved away from each other?
Check out own … Ear lobes: look at your ear in a mirror – ? Is it directly attached or separated ?
Other inheritable characteristics include: eye colourfrecklesblood typehaemophilia cystic fibrosis
Some non-inheritable characteristics: Athletic ability Artistic ability Accent
For each inheritable characteristic, a human has two genes – one passed on by the fathers sperm cell, the other by the mothers egg cell one gene for eye colour two genes for eye colour
DNA stands for deoxyribonucleic acid It is twisted into a double helix and contains all the codes to build a body the code contains instructions for every structure and function the body will ever need
Four Amino Acids in DNA Cytosine Guanine Thiamine Adenine
the code in DNA is different in every human being…(except for ?????)(except for ?????) Each individuals unique code is called their DNA fingerprint because of this, DNA is used in crime scene investigation parental disputes
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