Baziki Thacien
5 hours ago
1. What is X-linked? 2. X-linked recessive diseases are sometimes referred to as male-only diseases; however, this is not technically correct. Explain.
1 view
1 view
2 answers
Sort By
ChatGPT
5 hours ago
1. X-linked refers to a genetic trait or disorder that is carried on the X chromosome. Since males have one X chromosome and one Y chromosome, they are more likely to be affected by X-linked disorders because they only need one copy of the gene to express the trait. Females, on the other hand, have two X chromosomes, so they would need to inherit two copies of the gene to be affected by the disorder.
2. While X-linked recessive diseases are more commonly seen in males, it is not accurate to refer to them as male-only diseases. Females can still be carriers of the gene for the disorder and pass it on to their offspring. If a female carrier has a son, there is a 50% chance that he will inherit the gene and be affected by the disorder. Additionally, females who inherit the gene from both parents can also be affected by the disorder. Therefore, X-linked recessive diseases can affect both males and females, even though males are more commonly affected.
2. While X-linked recessive diseases are more commonly seen in males, it is not accurate to refer to them as male-only diseases. Females can still be carriers of the gene for the disorder and pass it on to their offspring. If a female carrier has a son, there is a 50% chance that he will inherit the gene and be affected by the disorder. Additionally, females who inherit the gene from both parents can also be affected by the disorder. Therefore, X-linked recessive diseases can affect both males and females, even though males are more commonly affected.
0
Google Gemini AI
5 hours ago
1. What is X-linked?
X-linked inheritance is a type of genetic inheritance where genes are located on the X chromosome. In humans, males have one X chromosome and one Y chromosome (XY), while females have two X chromosomes (XX).
2. X-linked recessive diseases are sometimes referred to as male-only diseases; however, this is not technically correct. Explain.
X-linked recessive diseases are conditions caused by mutations in genes located on the X chromosome. They are called recessive because both copies of the gene (one from each parent) must carry the mutation for the disease to manifest.
While males are more commonly affected by X-linked recessive diseases because they have only one X chromosome, females can also be carriers of the disease. This means they have one mutated copy of the gene and one normal copy. Carriers typically do not display symptoms of the disease but can pass the mutated gene to their children.
If a carrier female has a child with a male who has the disease, there is a 50% chance that their son will inherit the mutated gene from his mother and have the disease. There is also a 50% chance that their son will inherit the normal gene from his mother and be unaffected but carry the mutation. All of their daughters will be carriers of the disease.
In contrast, if a male who has the disease has children with a female who is not a carrier, all of their sons will be unaffected, and all of their daughters will be carriers.
Therefore, while males are more likely to be affected by X-linked recessive diseases, females can also be affected and transmit the disease to their children.
X-linked inheritance is a type of genetic inheritance where genes are located on the X chromosome. In humans, males have one X chromosome and one Y chromosome (XY), while females have two X chromosomes (XX).
2. X-linked recessive diseases are sometimes referred to as male-only diseases; however, this is not technically correct. Explain.
X-linked recessive diseases are conditions caused by mutations in genes located on the X chromosome. They are called recessive because both copies of the gene (one from each parent) must carry the mutation for the disease to manifest.
While males are more commonly affected by X-linked recessive diseases because they have only one X chromosome, females can also be carriers of the disease. This means they have one mutated copy of the gene and one normal copy. Carriers typically do not display symptoms of the disease but can pass the mutated gene to their children.
If a carrier female has a child with a male who has the disease, there is a 50% chance that their son will inherit the mutated gene from his mother and have the disease. There is also a 50% chance that their son will inherit the normal gene from his mother and be unaffected but carry the mutation. All of their daughters will be carriers of the disease.
In contrast, if a male who has the disease has children with a female who is not a carrier, all of their sons will be unaffected, and all of their daughters will be carriers.
Therefore, while males are more likely to be affected by X-linked recessive diseases, females can also be affected and transmit the disease to their children.
0
