Assuming a cleft chin is dominant, the father’s genotype would be __________
a. Cc
b. CC
c. cc
d. either Cc or cc
A
You might also like to view...
When male moose engage in their annual battles, butting heads with their oversized antlers, they are exhibiting ____
selection.
a. stabilizing b. disruptive c. directional d. intrasexual e. intersexual
The type of system depicted in the accompanying figure:a
can be found in arthropods. b. can be found in cephalopods. c. can be found in annelids. d. has hemoglobin as the oxygen transporting pigment. e. can be found in arthropods and annelids.
Radioactive isotopes are used in dating materials from the distant past. Which of the following statements about radioactive dating techniques is true?
A. It gives the general ages of rock strata. (±1 million years). B. It uses a technique in which the degree of radioactive decay is measured, the younger the rock the more radioactive decay. C. It gives exact ages of rock strata. (± 1 year). D. It uses a technique in which the degree of radioactive decay is measured, the older the rock the more radioactive decay. E. It does not work well with fossil remains that have not absorbed radiation.
Which of the following statements regarding infertility and fertilization procedures is true?
A) Embryos fertilized through assisted reproductive technologies cannot be frozen for later use, as they degrade rapidly. B) In GIFT, sperm are injected into an embryo in vitro, and the embryo is placed into the oviducts. C) In IVF, fertilization occurs in a dish. The embryo is allowed to develop for several days, and then the embryo is placed into the uterus. D) Cells cannot be removed from the blastocyst without harm to the embryo.