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Did you know?
A single strand of DNA, if uncoiled, would be ~6 feet long — yet it fits inside a cell nucleus.
Did you know?
A single strand of DNA, if uncoiled, would be ~6 feet long — yet it fits inside a cell nucleus.
Pick out the correct statementsHaemophilia is a sex-linked recessive disease.Down’s syndrome is due to aneuploidy.Phenylketonuria is an autosomal recessive gene disorder.Sickle cell anaemia is an X-linked recessive gene disorder.
(a) and (d) are correct
(b) and (d) are correct
(a), (c) and (d) are correct
(a), (b) and (c) are correct
To solve this problem, we need to analyze each statement and determine which are correct:(a) Haemophilia is a sex-linked recessive disease. - Haemophilia is indeed a sex-linked recessive disorder, typically associated with the X chromosome. - Therefore, statement (a) is correct.(b) Down’s syndrome is due to aneuploidy. - Down's syndrome is caused by trisomy 21, which is a type of aneuploidy (an abnormal number of chromosomes).
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