What can be inferred from the fact that there is little diversity in the form of MC1R gene

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MC1R Haplotype Distributions

HCSaVal60LeuAsp84GluVal92MetLeu106LeuArg142HisArg151CysIle155ThrArg160TrpArg163GlnGln233GlnCys273CysIle287MetAsp294HisPhe300PheThr314ThrSer316SerAAC29AAACTTC179TTCCTotal
Populationor CategoryNo. (Frequency) of Haplotypes
Africa:
 Ivory Coast14131836
 The Gambia1342946
 U.K. Africans101324
    Total37(.35)1(.01)1(.01)7(.07)60(.57)106
African Americans2242131042
Asia:
 Southern India341944
 U.K. Asian Indians15211322
 Papua New Guinea2034532
 Japan4223130
 Inuit213740
    Total75(.45)2(.01)7(.04)66(.39)1(.01)17(.10)168
Europe:
 England307121472164
 Ireland:
  Complete sequence1573675346
  Partial sequence4894894133376
 Sweden2411231541152
 Finland1012349130
 Saami 1363426
 Italy2271111134
 Sardinia19512128
    Total181(.51)47(.13)4(.01)33(.09)1(.00)25(.07)2(.01)25(.07)26(.07)1(.00)5(.01)5(.01)1(.00)356
No. (Frequency) of Cases
Melanoma in England34103231154
Redheads:
 Irish13645120
 Swedish22121281230
    Total3(.06)5(.10)1(.02)2(.04)18(.36)12(.24)6(.12)2(.04)1(.02)50