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 12
... flies have red eyes ( left ) . Among his flies , Morgan discovered a mutant male with white eyes ( right ) . This variation made it possible for Morgan to trace a gene for eye color to a specific chromosome ( LMs ) . Morgan and his ...
... flies have red eyes ( left ) . Among his flies , Morgan discovered a mutant male with white eyes ( right ) . This variation made it possible for Morgan to trace a gene for eye color to a specific chromosome ( LMs ) . Morgan and his ...
Page 13
... flies . For a given character in flies , the gene takes its symbol from the first mutant ( non - wild type ) discovered . Thus , the allele for white eyes in Drosophila is symbolized by w . A superscript + identifies the allele for the ...
... flies . For a given character in flies , the gene takes its symbol from the first mutant ( non - wild type ) discovered . Thus , the allele for white eyes in Drosophila is symbolized by w . A superscript + identifies the allele for the ...
Page 20
... flies have gray bodies and normal - sized wings . In addition to these flies , Morgan had doubly mutant flies with black bodies and vestigial wings ( much smaller than normal wings ) . The alleles for these traits are represented by the ...
... flies have gray bodies and normal - sized wings . In addition to these flies , Morgan had doubly mutant flies with black bodies and vestigial wings ( much smaller than normal wings ) . The alleles for these traits are represented by the ...
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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