Will Any Of Ther Children Have The Disease?

Will any of ther children have the disease?

 

Heredity: Inheritance and Variation

Sex-Linked Genes

Will any of their children have the disease?

Answer: Yes.

  • No sons of a man with hemophilia will have hemophilia.
  • All daughters of a man with hemophilia will be carriers which often referred to as obligate carriers.
  • If a carrier has a son, the son has a 50% chance of having hemophilia.
  • If a carrier has a daughter, the daughter has a 50% chance of being a carrier.

Explanation:

The probability or risks will be based on large numbers of births.  For example, if a man is a carrier and had two sons, we would expect that his two sons will not have hemophilia.  But in that group there would be women who had two sons with hemophilia, women who had one with and one without, and women with no sons with hemophilia.  The gene a child will inherit is based purely on chance and can never be truly predicted.

A childs likelihoods of getting a hemophilia gene do not have anything to do with whether or not brothers or sisters have the gene.  Each time a mother got pregnant, her chances of having a child with the hemophilia gene are the same.  It is like rolling dice.  The results of one roll do not affect the next roll.

A family may have children with the hemophilia gene and children without it.  It is also possible for all the children in the family to inherit the normal gene or all to inherit the hemophilia gene. For a mother who carries the hemophilia gene, the chances of giving birth to a child with hemophilia are the same for each pregnancy.  Even though she already has a child with hemophilia, she can still give birth to another.

Code: 9.22.1.2

To learn more about heredity, go to: brainly.ph/question/226158

To learn more about hemophilia, go to the following links:

brainly.ph/question/836365

brainly.ph/question/762469


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