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Dmitrij [34]
2 years ago
11

Who invented Napiers bone and when ​

Biology
2 answers:
pogonyaev2 years ago
6 0

Answer:

John Napier (1550-1617), matemático escocés, inventó dos ábacos multiplicativos que se conocen con los nombres de "huesos de Napier" y "promptuario" respectivamente. Se dieron a conocer en el año 1617 y suponen una aportación fundamental en la historia del desarrollo de los aparatos de cálculo.

Explanation:

Oliga [24]2 years ago
3 0

Answer:

Explanation:

John Napier a Scottish mathematician invented a calculating device in 1614.

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Identify the genotype for this pedigree chart
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Lets say that the genotypes are:


Male affected:XbY


Male unaffected: XaY


Female  affected: XbXb


Female carrier: XaXb


Female unaffected:XaXa


P: XbY  x  XaXa


F1: XaXb  XaXb  XaY  XaY The middle square is female carrier.


P:XbY  x  XaXb


F1: XaXb  XbXb  XaY  XbY The left square is affected female.


P:XaY  x  XbXb


F1: XaXb  XaXb  XbY  XbY The right square is affected male.



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I hope this will help

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