Suppose that mitosis were used to produce the gametes. What unique problems would be encountered? Make a prediction about the future of humans as a species
What will be an ideal response?
First, the chromosome number would double each generation because mitosis produces diploid cells. Second, there would be a lack of diversity in the resulting cells. Constantly changing genotypes would result in the end of the species.
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The causal agents of urinary tract diseases are often members of the normal flora
Indicate whether the statement is true or false.
Pigs have digitigrade locomotion because they walk on
(a) their ankles. (b) the soles of their feet. (c) the tips of their toes, which are modified as hooves. (d) their hands and knees.
The spectrophotometer in this exercise measures ________
a. color and intensity. b. neither color nor intensity. c. color only. d. intensity only.
Patients with Legionellosis should be placed in isolation when hospitalized due to the contagious nature of the Pathogen
a. true b. false