A female that is a carrier for X-linked color-blindness has a daughter with a male that is colorblind. What is the probability that the daughter is colorblind?
A. 0%
B. 100%
C. 50%
D. 25%
Answer: C
You might also like to view...
Which muscle(s) is (are) contracted to exhale forcibly?
A) diaphragm alone B) external intercostals and diaphragm C) internal intercostals and rectus abdominus D) rectus abdominis and diaphragm
The frontal and parietal bones articulate at the ________ suture
A) coronal B) lambdoid C) squamous D) sagittal E) frontal
Which sequence indicates the correct pathway for blood in the arterial flow of the upper appendage?
A. Axillary artery - brachial artery - subclavian artery - ulnar artery B. Brachial artery - subclavian artery - axillary artery - radial artery C. Axillary artery - subclavian artery - radial artery - ulnar artery D. Subclavian artery - brachial artery - axillary artery - radial artery E. Subclavian artery - axillary artery - brachial artery - ulnar artery
Answer the following questions true (T) or false (F)
1. The eye contains two cavities situated within the anterior chamber. 2. An astigmatism is an irregular curvature of the cornea or lens which causes rays of light to refract unevenly. 3. Rods are concentrated in the fovea centralis while cones are absent from this region of the retina.