1 Within which structure in the human body does specialization of parts of the developing baby take place?

(1) ovary                   (3) testis
( 2 ) u t e r u s           (4) pancreas

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2 Which statement best explains the significance of meiosis in the process of evolution within a species?

(1) The gametes produced by meiosis ensure the continuation of  any particular species by asexual reproduction.
(2) Equal numbers of eggs and sperm are produced by meiosis.
(3) Meiosis produces eggs and sperm that are alike.
(4) Meiosis provides for variation in the gametes produced by an organism

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3 The diagram below represents chromosomes in a zygote.

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4 During the last months of pregnancy, the brain of a human embryo undergoes an essential "growth spurt. Which action by the mother would most likely pose the greatest threat to the  normal development of the nervous system of the embryo at this time?

(1) spraying pesticides in the garden
(2) taking prescribed vitamins on a daily basis
(3) maintaining a diet high in fiber and low in fat
(4) not exercising

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5 Warts result when certain viruses cause skin cells to reproduce at a high rate. This rapid reproduction of skin cells is due to the viruses stimulating

1 cellular digestion                 3 synthesis processes
2 mitotic cell division             4 meiotic cell division

1         2         3         4