In mice brown fur (B) is dominant to white fur (b). Two brown mice mate. Their genotype in unknown. You observe the offspring and notice 5 are brown and 2 are white. Given this information, you determine both parent genotypes must be:
a. BB
b. Bb
c. bb
d. a reliable conclusion can't be reached
Answers: 1
Biology, 23.06.2019 00:30
Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days, followed by 7 days when no hormones are ingested. which of the following statements most accurately describes the effects of birth-control pills? -birth-control pills maintain constant levels of estrogens and/or progesterone so there is no surge in lh and ovulation does not occur.-birth-control pills inhibit the development of the uterine lining so implantation of a fertilized oocyte cannot occur.-birth-control pills maintain constant levels of estrogens and/or progesterones and mask the release of the oocyte from the follicle.-the 7 days with no hormones does not allow a thick enough uterine lining to form so a fertilized oocyte cannot implant.
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Biology, 23.06.2019 02:00
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In mice brown fur (B) is dominant to white fur (b). Two brown mice mate. Their genotype in unknown....
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