Joe is color blind. both his mother and his father have normal vision, but his mother's father (joe's maternal grandfather) is color blind. all joe's other grandparents have normal color vision. joe has three sisters—patty, betsy, and lora—all with normal color vision. joe's oldest sister, patty, is married to a man with normal color vision; they have two children, a 9-year-old color-blind boy and a 4-year-old girl with normal color vision. what is the most likely mode of inheritance for color blindness in this family? autosomal recessive x-linked recessive autosomal dominant x-linked dominant y-linked

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

Which type of stimulus do mechanoreceptors detect? sound pain heat light

Choose the incorrect statement (a) the motor end plate membrane is only capable of generating graded potentials, but it is contiguous with the skeletal muscle sarcolemma, which can generate action potentials. (b) propagation of an action potential through the t-tubules into the sarcoplasmic reticulum triggers the release of ca++ into the cytoplasm of a skeletal muscle fiber. (c) the generation of suprathreshold endplate potentials in multiple muscle fibers could be due to the increased frequency of action potential generation at the axon hillock of a single motor neuron. (d) a greater amount of ach would be found in the presynaptic vesicles of a motor unit that fired several action potentials after exposure to botulinum toxin, than in a motor unit that fired several action potentials after exposure to the venom of the krait snake (which contains α-bungarotoxin).