Land plants are believed to have evolved from ________
Fill in the blank(s) with correct word
green algae, or stoneworts
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Because sons adopted by alcoholic men show a rate of alcoholism more like that of their biological father, there is an argument for the role of genetic factors in this disease
a. True b. False Indicate whether the statement is true or false
The dominant Huntington disease allele causes severe neural/brain damage at approximately age 40. A female whose mother has Huntington disease marries a male whose parents are normal. It is not known if the female has the disease. Keeping in mind that the disease allele is rare in the population, what is the probability that their firstborn will inherit the gene that causes Huntington disease?
A) 25% B) 50% C) 75% D) 100% E) 0%
What process accounts for the amount of radiant energy reaching the earth's surface to decrease with increasing latitudes?
a. Atmospheric adsorption b. Atmospheric absorption c. Atmospheric pressure d. Atmospheric density
Genotypic sex determination does not in ________
A) mammals B) round worms C) reptiles D) flies E) birds