Could two phenotypically normal parents have an affected child?
a. Yes
b. No
a
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The most common planktonic stage of the majority of marine gastropod species is the:
a. trochophore larva. b. veliger larva. c. megalopa larva. d. zoea larva. e. planula larva.
"Double fertilization" produces nutrient tissue by the union of ____
a. two egg nuclei and one sperm nucleus b. two sperm nuclei and one egg nucleus c. two sperm nuclei and two egg nuclei d. one sperm nucleus and endosperm mother cell nuclei e. two sperm nuclei and one endosperm mother cell nucleus
Vertebrate forelimbs do not show homology
for the following:a. bone structure. b. blood vessel pattern. c. nerve pattern. d. muscle pattern. e. homology exists for all of these.
Respond to statements 131–135 in reference to the four structures
of the heart listed below. a. right atrium b. left atrium c. left ventricle d. right ventricle M 131. Blood from the superior and inferior vena cava enters the heart via this structure. M 132. Blood passes to the lungs from this structure. M 133. Deoxygenated blood exits the heart from this structure. M 134. Oxygenated blood enters the heart via this structure. M 135. Blood is pumped to the majority of the body by this structure.