i) An alteration in the structure of a gene.
ii)a)Deletion
•some bases/nucleotides of a gene are removed.
b) Inversion
•the order of some bases/nucleotides of a gene is reversed.
c) Insertion
•addition of a base between two existing bases.
d) Substitution
•a portion of a gene is replaced by a new portion.
iii) •albinism
•sickle cell anaemia
•achondroplasia/chondordystorphic dwarfism
•haemophilia
•colour blindness
•phenylketonuria
•phenylketonuria
Anganifelix answered the question on April 17, 2018 at 12:56
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