Despite evidence to the contrary, many scientists during the mid-twentieth century remained convinced that
____________________ were the carrier of genetic information. Fill in the blank(s) with the appropriate word(s).
proteins
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All evidence suggests that the Neanderthals did not interbreed with our ancestors
A. true B. false
Four of the five statements below apply to the phosphorus cycle. Which one does not apply?
a. Phosphorus cycles from land to water and back again. b. Phosphorus does not exist in a gaseous state. c. Dissolved phosphorus enters aquatic ecosystems from the atmosphere. d. Phosphorus will probably be depleted during the 21st century. e. Erosion from clear-cutting and agriculture accelerate phosphorus loss.
An individual with the blood group genotype LMLN has the phenotype MN. What is the relationship between the LM and LN alleles?
A) codominance B) pleiotropy C) LN is dominant D) incomplete dominance
Normal human gametes carry ______ chromosomes
Fill in the blank(s) with the appropriate word(s).