In female mammals, germ cells are
A. not produced until puberty.
B. arrested in meiosis I until puberty.
C. fully mature gametes at birth.
D. arrested in meiosis II until puberty.
E. arrested in mitosis until puberty.
E. arrested in mitosis until puberty.
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Genetic variation can originate both from the production of new alleles and from the arrangement of
existing alleles.
Indicate whether the statement is true or false.The Pacinian corpuscle is used in detecting
a. sound. b. pressure. c. chemicals. d. sight. e. chemical differences.
Why do inflamed tissues appear red, swollen, and warm?
What will be an ideal response?
A primary advantage of using integrated nutrient management compared to inorganic chemical fertilizers is that
A. chemical fertilizers are not soluble in water. B. chemical fertilizers break down very slowly. C. less organic fertilizer is needed than chemical fertilizers. D. only organic fertilizers contain micronutrients. E. organic fertilizers release nutrients more slowly.