The three veins used for venipuncture in cats are the

The cephalic, jugular, and

saphenous veins are used for feline venipunctures.

Explanation:

Most technicians perform venipuncture on a routine basis either to collect a blood sample for laboratory test or to inject a drug or medication.

Venipuncture is performed with either a needle and syringe or a Vacutainer collection system. The method and needle gauge selected depend on the vessel size, blood quantity required, intended use of the sample, and technician preference.

The cephalic, jugular, femoral, and medial saphenous veins are used for feline venipunctures.

the genotypes would be 50% bb and 50% bb

the phenotypes would be 50% brown and 50% white. hope this : )