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 25
... Genetic Recombination and Linkage In Chapter 13 , you learned that meiosis and random fertilization generate genetic variation among offspring of sexually reproducing organisms . Here we will examine the chromosomal basis of ...
... Genetic Recombination and Linkage In Chapter 13 , you learned that meiosis and random fertilization generate genetic variation among offspring of sexually reproducing organisms . Here we will examine the chromosomal basis of ...
Page 38
... genes on the same chromosome is not reflected in the results of genetic crosses . Despite being on the same chromosome and thus being physically linked , the genes are genetically unlinked ; alleles of such genes assort independently as ...
... genes on the same chromosome is not reflected in the results of genetic crosses . Despite being on the same chromosome and thus being physically linked , the genes are genetically unlinked ; alleles of such genes assort independently as ...
Page 39
... cells , this clustering of genes was additional evidence that genes are located on chromosomes . Each chromosome has a linear array of specific gene loci ( Figure 15.8 ) . Figure 15.8 A partial genetic ( linkage ) map of 39.
... cells , this clustering of genes was additional evidence that genes are located on chromosomes . Each chromosome has a linear array of specific gene loci ( Figure 15.8 ) . Figure 15.8 A partial genetic ( linkage ) map of 39.
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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