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. |
From inside the book
Results 1-3 of 4
Page 48
... embryo is about two months old . Before then , the rudiments of the gonads are generic - they can develop into either ovaries or testes , depending on hormonal conditions within the embryo . Which of these two possibilities occurs ...
... embryo is about two months old . Before then , the rudiments of the gonads are generic - they can develop into either ovaries or testes , depending on hormonal conditions within the embryo . Which of these two possibilities occurs ...
Page 67
... embryo . Polyploidy is fairly common in the plant kingdom . As we will see in Chapter 24 , the spontaneous origin of polyploid individuals plays an important role in the evolution of plants . In the animal kingdom , polyploid species ...
... embryo . Polyploidy is fairly common in the plant kingdom . As we will see in Chapter 24 , the spontaneous origin of polyploid individuals plays an important role in the evolution of plants . In the animal kingdom , polyploid species ...
Page 72
... embryo that is homozygous for a large deletion ( or has a single X chromosome with a large deletion , in a male ) is usually missing a number of essential genes , a condition that is ordinarily lethal . Duplications and translocations ...
... embryo that is homozygous for a large deletion ( or has a single X chromosome with a large deletion , in a male ) is usually missing a number of essential genes , a condition that is ordinarily lethal . Duplications and translocations ...
Other editions - View all
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