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Hemophilia is typically an X-linked recessive condition. If a mother has hemophilia, she carries two copies of the hemophilia allele on her X chromosomes (since females have two X chromosomes). Therefore, any male offspring will inherit one of her X chromosomes, which will carry the hemophilia allele, leading to him being affected by the condition. The male will inherit his Y chromosome from his father, which does not carry the hemophilia gene.
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What are the offspring of hemophilia?
Hemophilia is passed down from mother to son. It is extremely rare for a woman to have hemophilia. It is necessary, though, for a woman to be a carrier of the disorder for her son to acquire this disorder. Females have two X chromosomes whereas males only have one. When a boy is born, he takes one X chromosome from his mother and one Y chromosome from his father. Therefore, he can only get hemophilia through his mother. Example One: Mother(Carrier)+Father(Non-Affected)=50% chance of their son acquiring the disorder and 50% chance of their daughter being a carrier. Example Two: Mother(Non-Affected)+Father(Hemophiliac)=All sons will be non-affected and all daughters will be carriers.
A characteristic than can be passed from an organism to its offspring is a?
Allele
Which is expressed a dominant or recessive allele and which is passed on to the offspring?
A dominant allele is expressed when an individual carries one or two copies of that allele. A recessive allele is only expressed when an individual carries two copies of that allele. Dominant alleles are typically passed on to offspring if at least one parent carries the dominant allele.
Is hemophilia a inherited disorder?
Yes hemophilia is a inheerited bleeding dissorder. i read it from my medical book. hemophilia means blood love and can be passed down from mother to daughter. or in some cases mother to son. it is more common for it to passed to daughters. I hope this helped. :)
Is hemophilia communicable?
Hemophilia is not contagious by any means, however it can be passed from parent to offspring in the way of genetics.
Can a AB- mom have a AB- child with a O plus dad?
No to have an AB child the parents must have an A allele in one ine parent and a B in the other so that when they reproduce those two alleles (foumd on the chromosome) can be passed to the offspring and hence the child will be AB blood group. As the father is O (which is a recessive allele) he cannot have either an A or B allele and so the offspring will always have one O allele and either the A or B allele from the mother. The child cannot be AB.
In a heterozygote the allele that does not affect the trait?
The allele that does not affect the trait in a heterozygote is known as the recessive allele. This allele is masked by the dominant allele, which determines the observable trait. However, the recessive allele can still be passed on to offspring if both parents are carriers.
What is hidden in the heterozyotes?
Heterozygotes have two different alleles for a particular gene, where one allele is dominant and the other is recessive. The recessive allele is "hidden" in heterozygotes because it is not expressed phenotypically but can be passed on to offspring.
Is hemophilia due to heredity?
Yes hemophilia is a inheerited bleeding dissorder. i read it from my medical book. hemophilia means blood love and can be passed down from mother to daughter. or in some cases mother to son. it is more common for it to passed to daughters. I hope this helped. :)
What happens to the fathers mt DNA?
It does not get passed down to the offspring. Only that of the mother does.
Percentage of heterozygous individuals obtained from selfing Rr individual is?
In the case of selfing an Rr individual - which is heterozygous - you would expect 50% of the offspring to be heterozygous (Rr), as each parent contributes one allele to the offspring. Each allele has a 50% chance of being passed on.
What is the probability that their son has hemophilia?
Hemophilia is passed down from mother to son. It is extremely rare for a woman to have hemophilia. It is necessary, though, for a woman to be a carrier of the disorder for her son to acquire this disorder. Females have two X chromosomes whereas males only have one. When a boy is born, he takes one X chromosome from his mother and one Y chromosome from his father. Therefore, he can only get hemophilia through his mother. Example One: Mother(Carrier)+Father(Non-Affected)=50% chance of their son acquiring the disorder and 50% chance of their daughter being a carrier. Example Two: Mother(Non-Affected)+Father(Hemophiliac)=All sons will be non-affected and all daughters will be carriers.
