Cystic Fibrosis..................?
If your a male does CF have a higher hit and miss of being passed on then if your a female?
Answers:
No, it is equally likely within males and females.
It is more common in certain race than others though
No, CF is an autosomal recessive disorder, it is not linked to the X or Y sex chromosome.
The previous poster is correct. Just to explain for a moment more thoroughly:
Everyone (well, almost everyone) has 23 pairs of chromosomes, for a total of 46. 22 of those pairs are identified by number: Chromosome 1, Chromosome 2, Chromosome 3...you inherit one of each of these from your mother and one from your father, and it usually doesn't matter which one is which (there are some special exceptions). These are all called 'autosomes'. The last duet of genes are the sex chromosomes--they are identified by letter, either X or Y. We'll get pay for to them.
The gene involved in cystic fibrosis is found on chromosome 7. Because the disease is "autosomal recessive", you must inherit one such gene from EACH of your parents. In other words, BOTH your mother and your father must pass on a gene that has a CF mutation contained by order for you to have the disease. Autosomal=one of the numbered genes, recessive=you need two to own the disease. Capische? So it is not only not more likely that it be passed on to a male to some extent than a female, it is necessary for anyone, regardless of gender, to inherit from both parents. CF does not hold a gender bias.
The sex chromosomes are the only ones where your father would own a higher chance of passing one on than your mother (apart from disorganized chance). Because your father is male, he has one X and one Y chromosome. Your mother, a female, have two X chromosomes. So if you (generic 'you', of course) are male, then you inherited that Y chromosome from your father. If you are a feminine, you inherited one X from each of your parents. Mom does not have a Y to elapse on. However, some genetic disorders are called "X-linked". These are usually disorders that are recessive (would normally require two genes, remember?) but appear in males because they own only one X chromosome. Got that? In females, who have two X chromosomes, you don't see the effects; in males, who enjoy only one, you do. It is probably this kind of thing you are thinking of contained by composing the question. Source(s): MD who needs to stop rambling almost genetics, but this stuff is interesting!
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Answers:
No, it is equally likely within males and females.
It is more common in certain race than others though
No, CF is an autosomal recessive disorder, it is not linked to the X or Y sex chromosome.
The previous poster is correct. Just to explain for a moment more thoroughly:
Everyone (well, almost everyone) has 23 pairs of chromosomes, for a total of 46. 22 of those pairs are identified by number: Chromosome 1, Chromosome 2, Chromosome 3...you inherit one of each of these from your mother and one from your father, and it usually doesn't matter which one is which (there are some special exceptions). These are all called 'autosomes'. The last duet of genes are the sex chromosomes--they are identified by letter, either X or Y. We'll get pay for to them.
The gene involved in cystic fibrosis is found on chromosome 7. Because the disease is "autosomal recessive", you must inherit one such gene from EACH of your parents. In other words, BOTH your mother and your father must pass on a gene that has a CF mutation contained by order for you to have the disease. Autosomal=one of the numbered genes, recessive=you need two to own the disease. Capische? So it is not only not more likely that it be passed on to a male to some extent than a female, it is necessary for anyone, regardless of gender, to inherit from both parents. CF does not hold a gender bias.
The sex chromosomes are the only ones where your father would own a higher chance of passing one on than your mother (apart from disorganized chance). Because your father is male, he has one X and one Y chromosome. Your mother, a female, have two X chromosomes. So if you (generic 'you', of course) are male, then you inherited that Y chromosome from your father. If you are a feminine, you inherited one X from each of your parents. Mom does not have a Y to elapse on. However, some genetic disorders are called "X-linked". These are usually disorders that are recessive (would normally require two genes, remember?) but appear in males because they own only one X chromosome. Got that? In females, who have two X chromosomes, you don't see the effects; in males, who enjoy only one, you do. It is probably this kind of thing you are thinking of contained by composing the question. Source(s): MD who needs to stop rambling almost genetics, but this stuff is interesting!
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