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
... 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 flies have a homologous pair of X chromosomes , and males have 10.
... 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 flies have a homologous pair of X chromosomes , and males have 10.
Page 40
... phenotypic characteristic , such as eye color . Also , note that in contrast to the homologous autosomes ( II - IV ) , the X and Y sex chromosomes ( I ) have distinct shapes . Because a linkage map is based on recombination frequencies , ...
... phenotypic characteristic , such as eye color . Also , note that in contrast to the homologous autosomes ( II - IV ) , the X and Y sex chromosomes ( I ) have distinct shapes . Because a linkage map is based on recombination frequencies , ...
Page 46
... autosomes . In Drosophila , males are XY , but sex depends on the ratio between the number of X chromosomes and the number of autosome sets , not simply on the presence of a Y chromosome . In both testes and ovaries , the two sex ...
... autosomes . In Drosophila , males are XY , but sex depends on the ratio between the number of X chromosomes and the number of autosome sets , not simply on the presence of a Y chromosome . In both testes and ovaries , the two sex ...
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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