Upon fertilization, the egg and sperm fuse to form a single cell called a(n) ________.
A. embryo
B. gamete
C. zygote
D. gonad
Answer: C
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Anthrax is a highly infectious disease of animals that can be transmitted to humans who come in direct contact with infected animals or their products.
Answer the following statement true (T) or false (F)
In eukaryotes, most translation takes place in
or on the
a. nucleus. b. rough endoplasmic reticulum. c. smooth endoplasmic reticulum. d. cytoplasm. e. Golgi bodies
Which of the following is not predicted by a Punnett square?
1.the expected genotypic ratio of the offspring 2.the expected phenotypic ratio of the offspring 3.the number of offspring that will result 4.none of these; all are predicted
Which observation(s) of the medium ground finch (Geospiza fortis) by Peter and Rosemary Grant verify Darwin's selection hypothesis? Check all that apply.
A. Offspring were similar to parents in beak size and shape. B. Considerable variation existed in the beak size and shape of this finch. C. Beak shape (depth) varied with the dryness of the year. D. The medium ground finch showed assortative mating according to beak size and shape.