The correct answer among all the other choices is B. shaded square. This symbol would the horse breeder use to show a male who is affected by a defective gene. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
Answer:
Both cones and rods participate in dark adaptation, slowly increasing their sensitivity to light in a dim environment. Cones adapt faster, so the first few minutes of adaptation reflect cone-mediated vision.
To control,maintain a rate or speed
Answer B: RNA has Uracil, DNA has Thymine
