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 35
... map genes . A genetic map based on recombination frequencies is specifically called a linkage map . Figure 15.7 ( p . 281 ) shows Sturtevant's linkage map of three genes : the body - color ( b ) and wing- size ( vg ) genes depicted in ...
... map genes . A genetic map based on recombination frequencies is specifically called a linkage map . Figure 15.7 ( p . 281 ) shows Sturtevant's linkage map of three genes : the body - color ( b ) and wing- size ( vg ) genes depicted in ...
Page 40
... ( linkage ) map of a Drosophila chromosome . This simplified map shows just a few of the genes that have been mapped on Drosophila chromosome II . The number at each gene locus indicates the number of map units between that locus and the ...
... ( linkage ) map of a Drosophila chromosome . This simplified map shows just a few of the genes that have been mapped on Drosophila chromosome II . The number at each gene locus indicates the number of map units between that locus and the ...
Page 42
... maps , which we will discuss in Chapter 20 , show the physical distances between gene loci in DNA nucleotides . Comparing a linkage map with such a physical map or with a cytogenetic map of the same chromosome , we find that the linear ...
... maps , which we will discuss in Chapter 20 , show the physical distances between gene loci in DNA nucleotides . Comparing a linkage map with such a physical map or with a cytogenetic map of the same chromosome , we find that the linear ...
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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