________ transmit signals from the central nervous system to the effector organs
Fill in the blank(s) with correct word
Motor neurons
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Plants make ____, which are similar to female sex hormones in mammals but have nothing to do with sexual
reproduction in plants. a. estrogens b. phytoestrogens c. auxins d. cytokinins e. gibberellins
Type A blood will NOT agglutinate when mixed
with a. type B blood. b. type A blood. c. type AB blood. d. type O blood. e. types A and AB.
Which of the following serves to end the menstrual
cycle? a. a surge in luteinizing hormone b. the secretion of human chorionic gonadotropin c. the breakdown of the corpus luteum d. a rise in the level of progesterone e. a drop in the level of gonadotropic hormones in the blood
In a controlled cross for a quantitative trait, 600 F2 offspring are obtained, 10 of which exhibit the phenotype of one of the parentals. How many genes are estimated to control this trait based on these results?
What will be an ideal response?