PPT-Heterosis y cruzamientos

Temas Complementariedad entre razas Sistemas de cruzamiento Usos ventajas y desventajas de los sistemas de cruzamiento Efectos genéticos directos y maternos Heterosis Cruzamientos El termino se aplica al apareamiento de individuos menos emparentados entre sí que el promedio de la población a la que pertenecen. for . Seedstock. and Commercial Producers. Dr. Gordon F. Jones. Professor of Animal Science / Retired. Western Kentucky University. Capturing the Benefits of . Heterosis. or Hybrid Vigor. FREE. Taking Advantage of Breed . Modifications of the "3:1 F2 monohybrid ratio" and gene interactions are the rules rather than the . exceptions .  . Genes to Phenotypes. One gene - one . polypeptide??. Many alleles are possible in a population, but in a diploid individual, there are only two alleles. Modifications of the "3:1 F2 monohybrid ratio" and gene interactions are the . rules rather than the exceptions .  . Genes to Phenotypes. One gene - one . polypeptide??. Many alleles are possible in a population, but in a diploid individual, there are only two alleles. USDA, Agricultural Research Service, Animal Genomics and Improvement Laboratory, Beltsville, MD, USA. paul.vanraden@ars.usda.gov. Topics. Gestation length. Adjustments for expected future inbreeding (EFI) used since 2005 and . AGIL research progress Paul VanRaden USDA, Agricultural Research Service, Animal Genomics and Improvement Laboratory, Beltsville, MD, USA paul.vanraden@ars.usda.gov Topics Gestation length Adjustments for expected future inbreeding (EFI) used since 2005 and Related organisms . Striking phenotypic differences but similar genetic structures . Within an organism . Phenotypic differences between growth stages and between tissues . The gene is there but not the expected . . Intra-locus Interactions. PBG 430. Single locus. Allele A. Allele a. Phenotype. Allelic relationships at a locus: . Complete . D. ominance. Heterozygote . phenotype = homozygous dominant .