Which statement regarding genetics is false?
A) In keeping with our greater complexity, the human genome has about 100 times more genes than that of yeast.
B) Despite morphological similarities, fungi are more closely related to animals than they are to plants.
C) About 99% of the genes of humans and mice are related by descent from a common ancestor.
D) The more recently two species have branched from a common ancestor, the more similar we expect their DNA sequences to be.
Answer: A
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Compared to plants from other environments, the cells of many desert plants contain high concentrations of solutes
This helps them survive in their arid surroundings because the high solute concentrations create relatively _____, which help reduce water loss. A) low solute potentials B) high pressure potentials C) low pressure potentials D) high solute potentials
When DNA sequences are compared, the closet living relative of humans is found to be the gorilla
__________________ Indicate whether the statement is true or false.
A test cross is performed to determine phenotype
__________________ Indicate whether the statement is true or false.
Which of the following occurs during prophase?
A) Chromosomes line up on the midline of the cell. B) The nuclear envelope forms. C) Sister chromatids separate. D) The mitotic spindle begins to form.