__________ are organisms that contain two or more kinds of genetically dissimilar cells from different
zygotes.
a. Heterozygotes
b. Chimeras
c. Recombinants
d. Transgenics
e. Polyploids
B
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List and briefly explain the three ways in which genetic variability is increased during meiosis
What will be an ideal response?
If a DNA molecule was a spiral staircase, what would the steps of the staircase be?
a. covalent bonds b. deoxyribose c. base pairs d. hydrogen bonds e. phosphate
Which of the following statements are true
statements regarding the use of DNA in evolutionary comparisons? a. Lineages have a mixture of ancestral and novel characters. b. Mutations inevitably change those sequences being studied over time. c. 30% of yeast genes have counterparts in the human genome. d. Most mutations are neutral. e. All of these are true.
Which of the following conditions is not necessary to maintain the Hardy-Weinberg equilibrium?
A. random mating B. large gene pool C. no migration D. no selection E. mutation