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Title: GCSE Biology 2.3 - DNA and Inheritance
Description: These are concise, exam-focused notes made using the WJEC specification and BBC Bitesize. (I achieved an A.) This is one of eight topics in the unit.
Description: These are concise, exam-focused notes made using the WJEC specification and BBC Bitesize. (I achieved an A.) This is one of eight topics in the unit.
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2
...
Insurance companies may receive stored DNA who could analyse your DNA for
predisposition to disease
...
C (cytosine) pairs with G (guanine)
...
g
...
g
...
g
...
g
...
g
...
7
Phenotypic features
•
(most) the result of multiple genes rather than single gene inheritance
Gametes
•
•
sex cells
sperm and eggs
Sex determination in humans
•
In human body cells, one of the pairs of chromosomes, XX or XY, carries the genes
which determine the sex
...
X
X
X
XX
XX
Y
XY
XY
Selfing
•
where pollen from one plant lands on the stigma of the same plant
8
Title: GCSE Biology 2.3 - DNA and Inheritance
Description: These are concise, exam-focused notes made using the WJEC specification and BBC Bitesize. (I achieved an A.) This is one of eight topics in the unit.
Description: These are concise, exam-focused notes made using the WJEC specification and BBC Bitesize. (I achieved an A.) This is one of eight topics in the unit.