The gene for normal skin pigment (
A) can also code for the recessive trait of albinism (a). An albino man and a homozygous normal pigmented woman marry and have four children. What is the phenotype of the children?
A) 75% normal skin pigment and 25% albino
B) 100% normal skin pigment
C) 50% normal skin pigment and 50% albino
D) 25% normal skin pigment and 75% albino
E) 100% albino
B
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A procedure for identifying the direction of an angular motion vector is called what?
A. right hand rule B. clockwise rule C. both A and B D. no special procedure is needed
In order for thrombin to be formed:
a. fibrinogen must be present b. sodium must be present c. potassium must be present d. calcium must be present
This region contains the atlas and the axis.
A) cervical B) thoracic C) lumbar D) sacral
The broad portion of the heart where vessels enter and leave is called the:
a. apex b. base c. hilus d. mediastinum