#Question id: 19994
#Unit 2. Cellular Organization
#Question id: 12551
#Unit 10. Ecological Principles
#Question id: 19072
#Unit 4. Cell Communication and Cell Signaling
#Question id: 4744
#Unit 8. Inheritance Biology
Assume that long ear lobes in humans are an autosomal dominant trait that exhibits 50% penetrance. A person who is heterozygous for long ear lobes mates with a person who is homozygous for normal ear lobes. What is the probability that their first child will have long ear lobes.
#Question id: 2734
#Unit 2. Cellular Organization
Although nucleotides bearing the major purines and pyrimidines are most common, both DNA and RNA also contain some minor bases. In DNA the most common of these are _______________ forms of the major bases; in some viral DNAs, certain bases may be hydroxymethylated or glucosylated.