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The foramen magnum is located in the __ bone.

The reference plane that divides the body of an animal into cranial and caudal parts that are not necessarily equal is the

A person is heterozygous for an autosomal dominant condition.  If this person has children with someone who is homozygous dominant, which statement is correct?

The gene for color blindness is sex-linked recessive. A man whose mother was color-blind marries a woman who is heterozygous for the color-blindness gene. What percentage of their sons will be color-blind? 

Cystic fibrosis (CF) is caused by a recessive allele.  A child has CF, even though neither of his parents does.  What can you conclude about the parents?

In violets, the B allele produces blue flowers and is dominant to the b allele that produces white flowers, and the C allele produces curly leaves and is dominant to the c allele that produces straight leaves.  If a plant’s genotype was bbCc, which gametes could it produce?

The muscles in the wall of the uterus and urinary bladder are

The type of tissue that forms sweat glands is ________ tissue.

Horns are composed of

Pacinian corpuscles are important in the perception of