Phenotype refers to the observable traits an organism has. An example is blue eyes, black hair.
a is the answer pls mark brainliest
Answer:
Enhancer sequence.
Explanation:
Enhancers may be defined as the transcription factors that are used to enhance or increase the activity of the gene. Enhancers bind with the transcription factors to regulate and increase its expression.
The mutation in the enhancers decrease the transcription of of the other gene. These sequences lies far away from the transcription site but still known to increase the rate of transcription. Hence, the mutation has been done in the enhancer sequences.
Thus, the correct answer is option (b).
Enzymes act as catalysts that remain unmodified as they increase the rate of a chemical reaction.
Answer:
the shape of white blood cells