Dimpled chin and free earlobes are two dominant characters in humans. smooth chin and attached earlobes are recessive characters. a person has the genotype ddff. which of the following statements is correct with respect to this genotype
a. the person is heterozygous for the first character and homozygous for the second.
b. the person is homozygous for the first character and heterozygous for the second.
c. the person is homozygous for both characters.
Answers: 2
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Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers
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Dimpled chin and free earlobes are two dominant characters in humans. smooth chin and attached earlo...
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