Heterozygous a homozygous meaola

Kekahi o ka loa nui waiwai o kekahi meaola ola o nā kūpuna mai, me ka nń ku evolutionary keʻano o ka hanaʻana o ka Honua, e like me ka mālama o? Ueo 'ano ma luna o laila. Ka uuku pa alima o nā kūpuna mai hana'ōewe - mall hehee ai o ka DNA lātoma, kuleana no ka hoololiia ana o ka aaiaoe 'ike pili i kekahi mau hiʻona o ke kino. Ke kaumaha ma muli o ka degere o anao? Aou Hoʻohaku a me ka recessive nā'ōewe. A ano hiʻona o Hoʻohaku huahelu o ka hiki i ka "uhi" recessive, ina he kuleana ole ma o ka meaola, i hiki ia ia e hoikeia ma ka hanauna mua. Naʻe, ka mea e e kaulana ia a me ka piha ae nānā mau kāpili dominance, ma a ka Hoʻohaku'ōewe i hiki ke loa uhi olelo o recessive superdominance a me ka hoomaopopo ana no ka hōʻike 'ia nei o like hiʻona i loko o ka palapala ikaika ma mua o ka homozygous meaola. Ke kaumaha ma muli i ke ano o ka allelic ( 'o ia hoʻi, kuleana no ka hooulu ana o ka ia hoailona) nā'ōewe ka mea loaa mai i ka makua? Ueony, ku heterozygous a me homozygous meaola.

Definition o homozygous meaola

Homozygous meaola - nā mea o ka wildlife, a me elua o ka ia (Hoʻohaku ole recessive)'ōewe ma kekahi mau manawa. A kiʻiona hiʻona o ka pili hanauna o homozygous kanaka nei i ka nele o ka segregation o ka huapalapala a me kā lākou monotony. Ke kumu Heʻano nui i ka homozygous genotype o ka meaola he hoʻokahi wale nō 'ano o nā gametes, i hoʻokohu' ia e ke poʻo palapala i ina ia mea he Hoʻohaku kāna moʻolelo, a me ka papamoe, ka wā Ua haawiia recessive. Heterozygous meaola OAOOUIEeE i loko o ia ka mea, aia no iloko olaila okoa alleles, a, me ka, hana i nāʻano o nā gametes. Homozygous meaola i nui recessive alleles hiki ke denoted me Aa, bb, aabb, etc. Alaila, homozygous meaola Hoʻohaku alleles, i ke kuhi AA, BB, AABB.

kumu hoohalike o ka hooilina

E holo mau heterozygous meaola genotypes i hiki ke conventionally i koho like Aa (kahi A - Hoʻohaku, a - he recessive'ōewe), ka mea, ua hoakaka i ka manawa kūpono o ka loaa ana ka like pahiki eha okoa ana o gametes (Lolina genotype) ma ka digestion me 3: 1 phenotype. Ma lalo o genotype ma keia hihia o ia hoʻi, he moʻo o nā'ōewe i pihaʻi me he diploid lākou o ka ua halepaahao; he phenotype - he ano o ka mawaho, a na hiʻona o ka meaola i loko o nīnau.

Dihybrid kea, a me kona hiʻona

nā kānāwai pili i ka penei kekahi kaʻina hana, a komo homozygous meaola noonoo. Ma ka ia hihia, ina he mea kekahi mau-hapalua paha poligibridnoe i kela kapa, nānā 'ole o ke ano heritable kāna moʻolelo, cleavage ia lŘlŘ ma ka lākiō o 3: 1, a me ka mea i pololei ia no kekahi mea i kēia kānāwai. Hybridization o ka lua-hanauna kanaka ma keia hihia 'ano apau loa i ka papa kuhikuhi ano eha o phenotypes ma ka lākiō 9: 3: 3: 1. Ua mea waiwai 'ana i kumumanaʻo i kēia kānāwai mea i pololei ia no ka homologous hui o chromosomes AaOIeIOUIeXAOAaIN o nā'ōewe a i ole lawe mai i loko.