Genetic map units represent
a. absolute physical distances between genes.
b. locations of different alleles of a gene.
c. the chromosome on which a given gene is located.
d. the actual DNA sequence of a gene.
e. relative positions of genes with respect to each other.
E
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Gene families are created when
A. genes duplicate. B. exons converge. C. viral infections occur. D. introns are not removed from the mRNA after transcription. E. both exon convergence and intron splicing.
People homozygous for a specific high-risk allele of thefto gene ____
a. tend to overeat b. store more fat c. are naturally heavier d. are always overweight e. cannot undergo gastric bypass surgery
The syntenic genes A and Z are linked. A cross between two parents, AAZZ and aazz, produces F1 progeny with the AaZz genotype. What are the possible arrangements of alleles on the F1 progeny's chromosomes?
A) AZ/az B) Az/aZ C) Aa/Zz D) AZ/Az or az/aZ E) A/Z or a/z
What is another name for map unit?
a. linkage b. genotype c. locus d. centimorgan e. autosome