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algol [13]
3 years ago
12

A person has a sex-linked inheritable disease. Which statement is true about the set of chromosomes which are likely to carry th

e genes for this disease?
1-The gene is present on a single pair of chromosomes.
2-The gene is present multiple pairs of chromosomes.
3-The gene is always present on an X chromosome.
4-The gene is always present on a Y chromosome.​
Biology
2 answers:
bezimeni [28]3 years ago
7 0

Answer:

Answer Choice:  3.) The gene is always present on an X chromosome

viktelen [127]3 years ago
4 0

Answer:

number 3 is the answer

Explanation:

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The correct answer is option - 1. If passage through the placenta is adversely affected by fetal disease. and 4. If rapid drug effects are required.

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Normally the drug that is provided and administrated to the fetal is through the placenta of the mother. The direct delivery of medicine can be dangerous. However, with the advancement of the medical technology direct fetal drug administration is possible and it assists in the rapid uptake of the drug by the fetus.

If the fetus requires a rapid drug effect it can be provided by direct drug delivery. Also when the placental is not working properly and affected by the disease it is recommended to provide the fetus with the drug with the help of direct delivery.

Thus, the correct answer is : 1. If passage through the placenta is adversely affected by fetal disease. and 4. If rapid drug effects are required.

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