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 10
... fly room . ” Another advantage of the fruit fly is that it has only four pairs of chromosomes , which are easily distinguishable with a light microscope . There are three pairs of autosomes and one pair of sex chromosomes . Female fruit ...
... fly room . ” Another advantage of the fruit fly is that it has only four pairs of chromosomes , which are easily distinguishable with a light microscope . There are three pairs of autosomes and one pair of sex chromosomes . Female fruit ...
Page 14
... fly with a red - eyed female . All the F1 offspring had red eyes , suggesting that the wild - type allele is dominant . 1 When Morgan bred the F1 flies to each other , he observed the classical 3 : 1 phenotypic ratio among the F2 ...
... fly with a red - eyed female . All the F1 offspring had red eyes , suggesting that the wild - type allele is dominant . 1 When Morgan bred the F1 flies to each other , he observed the classical 3 : 1 phenotypic ratio among the F2 ...
Page 15
... fly has two X chromosomes ( XX ) , while a male fly has an X and a Y ( XY ) . The correlation between the trait of white eye color and the male sex of the affected F2 flies suggested to Morgan that the gene affected in his white- eyed ...
... fly has two X chromosomes ( XX ) , while a male fly has an X and a Y ( XY ) . The correlation between the trait of white eye color and the male sex of the affected F2 flies suggested to Morgan that the gene affected in his white- eyed ...
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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