Which of the following statements is a correct explanation for the observation that all offspring exhibit a phenotype for a particular trait that appears to be a blend of the two parental varieties?
A) Neither of the parental genes is dominate over the other.
B) The genes for the trait are dominant in both of the parents.
C) The genes are linked and do not separate during meiosis.
D) The genes for the trait are recessive in both of the parents.
A
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Lidocaine blocks voltage-gated Na+ channels. How would exposure to lidocaine affect nerve function?
A. Resting potential values would increase. B. Resting potential values would decrease. C. It would take longer to reach peak depolarization. D. Nerve depolarization would last for a longer period of time. E. None of the above are correct.
What molecule indirectly provides the energy for translation?
A. ADP B. ATP C. GMP D. GDP E. GTP
The most shallow soils occur in or on
A) steep slopes. B) native grasslands. C) valleys. D) floodplains.
What is the correct sequence of phases in mitosis?
a. anaphase ? telophase ? interphase ? prophase ? metaphase b. interphase ? prophase ? metaphase ? anaphase ? telophase c. metaphase ? anaphase ? telophase ? interphase ? prophase d. prophase ? metaphase ? anaphase ? telophase ? interphase