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 15
... corresponding allele present on the Y chromosome . His reasoning can be followed in Figure 15.4 . For a male , a single copy of the mutant allele would confer white eyes ; since a male has only one X chromosome , there can be no wild 15.
... corresponding allele present on the Y chromosome . His reasoning can be followed in Figure 15.4 . For a male , a single copy of the mutant allele would confer white eyes ; since a male has only one X chromosome , there can be no wild 15.
Page 30
... corresponding points and then are rejoined to each other ( see Figure 13.11 ) . In effect , the end portions of two nonsister chromatids trade places each time a crossover occurs.Stor Figure 15.5 msupoedu2.or Inquiry Are the genes for ...
... corresponding points and then are rejoined to each other ( see Figure 13.11 ) . In effect , the end portions of two nonsister chromatids trade places each time a crossover occurs.Stor Figure 15.5 msupoedu2.or Inquiry Are the genes for ...
Page 46
... corresponding regions of the X. These homologous regions allow the X and Y chromosomes in males to pair and behave like homologous chromosomes during meiosis in the testes . Figure 15.9 Some chromosomal systems of sex determination ...
... corresponding regions of the X. These homologous regions allow the X and Y chromosomes in males to pair and behave like homologous chromosomes during meiosis in the testes . Figure 15.9 Some chromosomal systems of sex determination ...
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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