how are genetical diseases carried from parents to the offspring
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It happens due to dominant genetic diseases and it cause by mutation in one copy of gene
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Genetically diseases which an offspring can inherit is checked by punnet square.
Male have genetic disease on X chromosome not on Y chromosome but female have both X chromosome.
If the offspring is a boy he will inherit the disease on X chromosome while a girl offspring will inherit only if both the X chromosomes are affected in male just 1 chromosome is affected.
In male kid disease is shown as X°Y. ° sign shows the presence of disease.
In female kid disease is shown X°X° this shows she has disease but if the sign is only on 1 chromosome like X°X this means she is carrier of disease.
Male have genetic disease on X chromosome not on Y chromosome but female have both X chromosome.
If the offspring is a boy he will inherit the disease on X chromosome while a girl offspring will inherit only if both the X chromosomes are affected in male just 1 chromosome is affected.
In male kid disease is shown as X°Y. ° sign shows the presence of disease.
In female kid disease is shown X°X° this shows she has disease but if the sign is only on 1 chromosome like X°X this means she is carrier of disease.
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