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
... Drosophila , are called mutant phenotypes because they are due to alleles assumed to have originated as changes , or mutations , in the wild - type allele . Figure 15.3 Morgan's first mutant . Wild - type Drosophila flies have red eyes ...
... Drosophila , are called mutant phenotypes because they are due to alleles assumed to have originated as changes , or mutations , in the wild - type allele . Figure 15.3 Morgan's first mutant . Wild - type Drosophila flies have red eyes ...
Page 13
... Drosophila that is still widely used for fruit 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 ...
... Drosophila that is still widely used for fruit 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 ...
Page 39
... Drosophila genes in linear arrays . They found that the genes clustered into four groups of linked genes . Because microscopists had found four pairs of chromosomes in Drosophila cells , this clustering of genes was additional evidence ...
... Drosophila genes in linear arrays . They found that the genes clustered into four groups of linked genes . Because microscopists had found four pairs of chromosomes in Drosophila cells , this clustering of genes was additional evidence ...
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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