Genetics and Metabolism

Acad activity alleles amino acids animals antigen appear arginine bacteria biochemical Biol biosynthesis cells chains changes chemical chromosomes coli complementation complete components COOH crosses cytoplasm deficiency demonstrated derived determined differentiation diploid discussed Drosophila Drosophila melanogaster effect embryo enzyme evidence example exconjugant exist factors formation function gastrula genetic material genotype haploid hemoglobin heterocaryons heterozygotes heterozygous homozygous indicated induced inheritance interaction involved large number lethal loci locus mating type mechanism meiosis melanin melanogaster membrane mitochondria molecules mutagenic mutants mutation rate Neurospora normal nuclei nucleic acids nucleotide number of different nutritional mutants observed obtained occur organisms pair particles peptide phage phenotype pigment plants polypeptide possible present primary Proc produced protein pseudoalleles pyrimidine ratio reaction recessive recombination segregation sequence shown in Figure specific strains structure studies substances substrate suppressor synthesis Table temperature tion tissue tryptophan wild type wild-type zygote