Which of the following is the most likely to result in a change in the phenotype of an organism?
A. Overproduction of the enzyme responsible for DNA synthesis
B. Loss of the organism's ribosomes
C. Alterations in the DNA sequences in the organism's chromosomes
D. Inhibition of the enzyme responsible for digesting food molecules
Answer (1)
Alterations in DNA sequences in an organism's chromosomes are most likely to lead to a change in phenotype, as they can directly affect which traits are expressed. Other options may alter functionality but do not directly cause observable changes. Therefore, the correct answer is C. ;
