Ruby's father has curly hair and her mother has straight hair. ruby, however, has wavy hair. what could be the reason for this?
a. ruby's wavy hair is a blend of curly and straight hair.
b. the gene for curly hair has multiple alleles, and ruby has the allele for wavy hair.
c. ruby inherited both alleles, which are incompletely dominant.

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.