A mature sperm consists of all of the following structures except:a
an acrosome.
b. a flagellum.
c. a head.
d. an inguinal canal.
e. a midpiece.
D
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If Mendel based his data only on two traits, and the genes influencing those traits were linked and located close together on the same chromosome, which of his laws would he not have been able to resolve?
Comments: The law of segregation applies to traits influenced by single genes. The law of Independent Assortment applies to two or more traits that are influenced by genes on different chromosomes (or very far apart on the same chromosome.) A. the law of segregation B. the law of independent assortment
The skeletons of both hagfish and sharks are made of the same cartilaginous material
Indicate whether the statement is true or false
Progressive changes in the fossil record are evidence for evolution because
A. they show gaps in the fossil record. B. they show descent with modification. C. they show inheritance of acquired characteristics. D. they show evolutionary change at the level of the individual.
Osteoporosis has long been recognized as a problem for women after menopause, but it is also emerging as a health concern for
A) women and men ages 20-30. B) women ages 16-18. C) men over the age of 65. D) men and younger people in general.