Back to PRINCIPLE OF INHERITANCE AND VARIATION
NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION
1
Medium
1 of 1
Analyzing
+4 | -1
In a normal couple, half of the sons are haemophilic while half of the daughters are carriers, the defective gene is located on
View answer and explanation
Correct option: B
One X-chromosome of mother
Option C (Phenylketonuria) is correct because Phenylketonuria is a single-gene (Mendelian) disorder caused by a mutation in the PAH gene, while Down's, Turner's, and Klinefelter's syndromes are chromosomal disorders.
More Questions from PRINCIPLE OF INHERITANCE AND VARIATION
Practice All Chapter MCQs →
A woman has an X-linked condition on one of her chromosomes. This chromosomes can be inherited by
Some individuals with blood group –A may inherit the genes for blonde hair, while other individuals with blood group – A may the gene for brown hair. This can be best explained by the principle of
On crossing two heterozygous tall plants (Tt), and total of 500 plants were obtained in generation. What will be the respective number of tall and dwarf plants obtained in generation?
Colourblindness is caused due to
Syndrome stands for
In phenylketonuria mental retardation takes place due to accumulation of