Gene flow is NOT a requirement of natural selection.
a. true
b. false
a. true
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This image is an example of _____
1.a haploid gametophyte stage of red algae
2.a heterotrophic water mold
3.a freshwater diatom
4.one ciliate preying upon another
In codominant inheritance, ____
a. there is partial phenotypic expression of one member of a gene pair in the homozygous condition b. there is full phenotypic expression of both members of a gene pair in the heterozygous condition c. the interaction of two or more non-allelic genes controls a single phenotype d. two recessive alleles interact and express themselves as a single dominant trait e. the phenotype of a heterozygote is intermediate to those of the parents
Which monomer units combine to form nucleic acids?
A) amino acids B) fatty acids C) nucleotides D) sugars
A tumor-specific antigen is:
A. a general marker for all known human tumors. B. a specific marker for leukemias. C. unique to the tumor of an individual patient. D. nonspecific to all patient populations.