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 56
... cell becomes almost completely inactivated during embryonic development . As a result , the cells of females and males have the same effective dose ( one copy ) of genes with loci on the X chromosome . The inactive X in each cell of a ...
... cell becomes almost completely inactivated during embryonic development . As a result , the cells of females and males have the same effective dose ( one copy ) of genes with loci on the X chromosome . The inactive X in each cell of a ...
Page 57
... cells : those with the active X derived from the father and those with the active X derived from the mother . After an X chromosome is inactivated in a particular cell , all mitotic descendants of that cell have the same inactive X. FF ...
... cells : those with the active X derived from the father and those with the active X derived from the mother . After an X chromosome is inactivated in a particular cell , all mitotic descendants of that cell have the same inactive X. FF ...
Page 65
... cell has a total of 2n + 1 chromosomes ) , the aneuploid cell is said to be trisomic for that chromosome . If a chromosome is missing ( so that the cell has 2n 1 chromosomes ) , the aneuploid cell is monosomic for that chromosome ...
... cell has a total of 2n + 1 chromosomes ) , the aneuploid cell is said to be trisomic for that chromosome . If a chromosome is missing ( so that the cell has 2n 1 chromosomes ) , the aneuploid cell is monosomic for that chromosome ...
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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