Four of the five answers listed below are
caused by recessive genes. Select the
EXCEPTION.
a. achondroplasia.
b. phenylketonuria.
c. Tay-Sachs.
d. hemophilia
e. Duchenne muscular dystrophy
A
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Why does overwatering a plant kill it?
A) Water does not have all the necessary minerals a plant needs to grow. B) Water neutralizes the pH of the soil. C) The roots are deprived of oxygen. D) Water supports the growth of root parasites. E) Water lowers the water potential of the roots.
Researchers are interested in the genomes of prokaryotic species for all of the following reasons EXCEPT
A. bacteria cause many diseases that affect people, plants, and animals. B. bacteria reveal modes of infection. C. bacteria are more highly advanced than humans. D. the origin of the first eukaryotic cell probably involved a union between an archaeal and a bacterial cell. E. All of the choices are reasons for studying genomes of prokaryotic species.
Cells that are produced during mitosis have _____ of chromosomes and are referred to as ____.
a. one set; diploid b. two sets; diploid c. one set; haploid d. two sets; haploid
A group of international students is having a heated discussion in the dining hall. “Your country needs to get its population under control!” asserts a student from the United States. “Perhaps,” replies the Indian student, “but your country ______________________.”
A. has the highest per capita resource consumption, ten times greater than mine B. also has a big population overgrowth problem C. has a much higher birth rate D. has the lowest infant mortality rate