Tubal pregnancy occurs as a result of:
a. scarring and blockage of the oviducts.
b. abnormal fertilization taking place in the oviducts.
c. the abnormal beating of the cilia away from the uterus and not toward it.
d. the release of more than one ovum during ovulation.
e. endometriosis.
a
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Alternate forms of genes resulting from mutations are called
A. alterons. B. isoforms. C. lethal. D. alleles.
Which of the following organs of the endocrine system secretes several hormones and stores two
hormones produced by the hypothalamus? a. pituitary gland b. pancreas c. pineal gland d. adrenal glands e. thyroid gland
Epinephrine is secreted by
a. pancreatic islet cells. b. the thyroid gland. c. the pituitary gland. d. the adrenal medulla. e. the adrenal cortex.
If an organism of genotype Aa was used for a testcross, what was the genotype of the other individual used in the cross?
A. Either Aa or aa B. Either AA or Aa C. aa D. Aa E. AA