Biology, Pages 274-287Neil Campbell and Jane Reece's BIOLOGY remains unsurpassed as the most successful majors biology textbook in the world. This text has invited more than 4 million students into the study of this dynamic and essential discipline. |
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Page 30
... crossover occurs.Stor Figure 15.5 msupoedu2.or Inquiry Are the genes for the body color and wing size in fruit flies located on the same chromosome or different chromosomes ? The recombinant chromosomes resulting from crossing over may ...
... crossover occurs.Stor Figure 15.5 msupoedu2.or Inquiry Are the genes for the body color and wing size in fruit flies located on the same chromosome or different chromosomes ? The recombinant chromosomes resulting from crossing over may ...
Page 36
... crossovers between cn and b and between cn and vg are about half as frequent as crossovers between b and vg . Only a map that locates cn about midway between b and vg is consistent with these data , as you can prove to yourself by ...
... crossovers between cn and b and between cn and vg are about half as frequent as crossovers between b and vg . Only a map that locates cn about midway between b and vg is consistent with these data , as you can prove to yourself by ...
Page 37
... crossover between them is virtually certain . The observed 281 frequency of recombination in crosses involving two such genes can have a maximum value of 50 % , a result indistinguishable from that for genes on different chromosomes . In ...
... crossover between them is virtually certain . The observed 281 frequency of recombination in crosses involving two such genes can have a maximum value of 50 % , a result indistinguishable from that for genes on different chromosomes . In ...
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Common terms and phrases
Alterations of chromosome Barr body basis of recombination behavior of chromosomes body color characters Chromosomal Alterations chromosomal basis chromosome theory chromosomes during meiosis color and wing color blindness Concept Check crossover cytogenetic map deletion different chromosomes dihybrid dihybrid cross Drosophila embryonic eye color eyes in Drosophila F2 offspring Figure flies fly room frequency of recombination fruit fly gamete gamete receives Genes located genetic crosses geneticists genotype heterozygous homologous chromosomes homozygous humans inactivation independent assortment linkage map loci locus male fly mammal map units mated Mendel's laws Mendelian mitosis Morgan mutant allele nondisjunction nonhomologous chromosomes nonparental phenotypes nonsister chromatids normal ovum pair parental phenotypes phenotypic ratio physical basis polyploid protein Punnett square recessive allele recombinant chromosomes recombinant offspring recombination data recombination frequency recombination of linked red eyes segregation and independent sex chromosomes sex-linked disorder sex-linked trait specific gene Sturtevant tetraploid translocations white eyes wild-type allele X chromosome YyRr zygote