There are three possible evolutionary relationships among a bird, bat, and dolphin. The scenario that is most likely to be correct is the one in which the derived traits (in red) would have arisen the fewest number of times
Which scenario (A, B, or C) is the one most likely to be correct?
1.A
2.B
3.C
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The chemical bond connecting one nucleotide with the next along one strand of a DNA molecule is called a
A. glycosidic bond. B. hydrogen bond. C. phosphate bond. D. phosphodiester bond. E. peptide bond.
Describe the six stages of the ovarian cycle that a follicle will go through.
What will be an ideal response?
What is the term given to the average frequency of heterozygotes at all loci of an individual? This value can also be expressed as the fraction of genes that are heterozygous in the genotype of an average individual
What will be an ideal response?
Fossil evidence shows that giraffes living 1000 years ago had much shorter necks than the giraffes seen today. Which
statement best explains this observation? a. The two groups of giraffes are not related. b. The two groups of giraffes arose as a result of convergent evolution. c. The difference in neck length is evidence for homoplastic inheritance. d. The two groups of giraffes were located in different geographical locations. e. The giraffes acquired longer necks through the continuing process of natural selection.