The most common type of polyploidy in humans is ____
a. trisomy
b. monosomy
c. triploidy
d. tetraploidy
e. haploidy
c
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Echinoderms do not:a
develop as deuterostomes. b. fall within the group Bilateria. c. show evidence of segmentation. d. fall on the eumetazoan branch of animals. e. fall within the group Deuterostomia.
What problem is associated with using NPP to calculate the carrying capacity for humans?
A) It fails to take into account our need for other resources, such as water, clean air, and fuel. B) NPP isn't important when considering the human population. C) Humans grow their own food, which isn't a part of the NPP. D) It overestimates the effects of humans on the ecosystem.
Suppose you cross a pea plant with yellow, smooth seeds with one that has green, wrinkled seeds
You examine the seeds of 967 offspring and find that some have yellow, smooth seeds and some have yellow, wrinkled seeds, but no green seeds of either type show up. What is the genotype of the yellow-seeded parent? (Y = yellow, y = green; S = smooth, s = wrinkled) A) YYSS B) YySS C) YySs D) YYSs E) YYss
To estimate how much the means of a variety of like samples drawn from the same population might vary, what statistic is often used?
A) standard error of the mean B) variance of the mean C) relative error of the mean D) standard deviation of the mean