Which of the following is an example of a genetically modified crop? MCQ with Answer and Explanation

Explanation:
Down syndrome (trisomy 21) is an autosomal aneuploidy caused by nondisjunction resulting in three copies of chromosome 21. It is characterized by intellectual disability, flat facial profile, protruding tongue, and simian crease. Turner's syndrome is monosomy X (45, X). Klinefelter's is 47, XXY. Phenylketonuria is an inborn error of metabolism (autosomal recessive) due to deficiency of phenylalanine hydroxylase.

Explanation:
The cell membrane has a phospholipid bilayer with embedded proteins and is selectively permeable, not fully permeable. So 2 is incorrect.

Explanation:
Lycopene is a red carotenoid pigment found in tomatoes, watermelon, and pink grapefruit. It is an antioxidant and not a precursor of vitamin A. Beta-carotene is orange and a provitamin A. Chlorophyll is green, xanthophyll yellow. Lycopene is concentrated during ripening as chlorophyll degrades.