On a Punnett square, what do the letters at the top and left side represent? The letters at the top represent alleles of the parents. The letters on the left represent alleles of the offspring.

The letters at the top represent alleles of the male offspring. The letters on the left represent alleles of the female offspring.

The letters at the top represent alleles of one parent. The letters on the left represent alleles of the other parent.

The letters at the top represent alleles of the female offspring. The letters on the left represent alleles of the female parent.

76 year-old has dermatochalasis on bilateral upper eyelids. a blepharoplasty will be performed on the eyelids. a lower incision line was marked at approximately 5 mm above the lid margin along the crease. then using a pinch test with forceps the amount of skin to be resected was determined and marked. an elliptical incision was performed on the left eyelid and the skin was excised. in a similar fashion the same procedure was performed on the right eye. the wounds were closed with sutures. the correct cpt® code(s) is/are? a. 15822, 15823-51b. 15823-50c. 15822-50d. 15820-lt, 15820-rt