Wadatacce
- Menene dabbobin hermaphrodite?
- Bambanci a cikin haifuwa a cikin dabbobin hermaphrodite
- Haɓaka dabbobin hermaphrodite
- tsutsotsi na ƙasa
- leeches
- Kamaru
- Oysters, scallops, wasu bivalve molluscs
- Kifin kifi
- Tsutsotsi
- Kifi
- kwaɗi
- Dabbobin Hermaphrodite: wasu misalai
Hermaphroditism wata dabarar haihuwa ce mai ban mamaki saboda tana nan a cikin ƙananan ƙwayoyin halittu. Kasancewar baƙon abu ne, yana shuka shakku da yawa a kusa da ku. Don taimakawa warware waɗannan shakku, a cikin wannan labarin PeritoAnimal za ku fahimci dalilin da yasa wasu nau'in dabbobin suka haɓaka wannan halayyar. Hakanan zaku ga misalai na dabbobin hermaphrodite.
Abu na farko da za a yi la’akari da shi lokacin da ake magana game da dabarun haihuwa daban-daban shi ne cewa haɓakar giciye shine abin da dukkan kwayoyin halitta ke nema. DA hadi da kai albarkatu ne da hermaphrodites suke da shi, amma ba shine burin su ba.
Menene dabbobin hermaphrodite?
Don ƙarin bayani game da haifuwar dabbobin hermaphrodite, yakamata ku sami wasu sharuddan a sarari:
- Namiji: yana da gametes na maza;
- Mace: yana da gametes na mata;
- Hermaphrodite: yana da gametes na mata da na maza;
- Gametes: su ne kwayoyin haihuwa da ke ɗauke da bayanan kwayoyin halitta: maniyyi da ƙwai;
- giciye hadi: mutane biyu (namiji daya da mace daya) suna musayar gametes tare da bayanan kwayoyin halitta;
- hadi da kai: mutum guda yana yin takin mata gametes tare da gametes na maza.
Bambanci a cikin haifuwa a cikin dabbobin hermaphrodite
A giciye-hadi, akwai a mafi girman bambancin kwayoyin halitta,, domin ya haɗu da bayanan halittar dabbobi biyu. Haɗin kai yana haifar da gametes biyu tare da bayanin kwayoyin halitta iri ɗaya gauraya tare, yana haifar da mutum ɗaya. Tare da wannan haɗin, babu yuwuwar haɓaka kwayoyin halitta kuma zuriyar suna da rauni. Gabaɗaya dabbobin da ke amfani da wannan dabarar ta hayayyafa suna amfani da jinkirin motsi, wanda ya fi wahalar samun wasu mutane iri ɗaya. Bari mu daidaita yanayin tare da misalin dabbar hermaphrodite:
- Tsutsar tsutsa, tana tafiya a makance ta cikin yalwar humus. Idan lokaci ya yi da za ta hayayyafa, ba za ta iya samun wani irin nata a ko'ina ba. Kuma a ƙarshe da ta sami ɗayan, ta iske jinsi ɗaya ne, don haka ba za su iya hayayyafa ba. Don gujewa wannan matsalar, tsutsotsin ƙasa sun haɓaka ikon ɗaukar jinsi biyu a ciki. Don haka lokacin da tsutsotsi biyu suka hadu, dukkan tsutsotsi biyu sun hadu. Idan tsutsotsi ba zai iya samun wani mutum ba a cikin rayuwarsa gaba ɗaya, zai iya yin takin kansa don tabbatar da wanzuwar nau'in.
Ina fatan cewa, tare da wannan misalin, zaku iya fahimtar hakan o dabbobin hermaphrodite da yadda wannan kayan aiki ne don ninka damar yin hadi da juna ba kayan aikin hadi da kai ba.
Haɓaka dabbobin hermaphrodite
A ƙasa, za mu nuna muku jerin dabbobin hermaphrodite, tare da misalai da yawa don ƙarin fahimtar wannan nau'in haifuwa:
tsutsotsi na ƙasa
Suna da jinsi biyu a lokaci guda sabili da haka, a tsawon rayuwarsu, suna haɓaka tsarin haihuwa. Lokacin da tsutsotsi biyu suka hadu, duka biyun sun hadu sannan suka sanya jakar kwai.
leeches
Kamar tsutsotsi na ƙasa, su ne dindindin hermaphrodites.
Kamaru
Yawanci maza ne a ƙaramin shekaru da mata a balaga.
Oysters, scallops, wasu bivalve molluscs
Hakanan akwai musanyawajima'i kuma, a halin yanzu, Cibiyar Kiwon Lafiya a Jami'ar Santiago de Compostela tana nazarin abubuwan da ke haifar da canjin jima'i. Hoton yana nuna ɓarna wanda zaku iya ganin gonad. Gonad shine "jakar" wanda ya ƙunshi gametes. A wannan yanayin, rabi orange ne da rabi fari, kuma wannan bambancin launi yayi daidai da bambancin jima'i, yana bambanta a kowane lokaci na rayuwar kwayoyin halitta, wannan shine wani misalin dabbar hermaphrodite.
Kifin kifi
Daya daga cikin shahararrun dabbobin hermaphrodite a duniya. Yawancin lokaci ana haɓaka jinsi na maza a cikin matakan matasa da canza zuwa mace a lokacin balaga. Suna kuma iya samun haifuwa ta asexual, wanda ke faruwa lokacin da hannu ɗaya ya karye yana ɗauke da wani ɓangaren tsakiyar tauraron. A wannan yanayin, tauraron da ya rasa hannun zai sake haifar da shi kuma hannu zai sake sabunta sauran jikin. Wannan yana haifar da mutum biyu iri ɗaya.
Tsutsotsi
halin ku m parasite yana da wahalar haifuwa da wani kwayoyin halitta. A saboda wannan dalili, tsutsotsi sukan yi amfani da takin kai. Amma idan sun sami dama, sun fi son yin takin zamani.
Kifi
An kiyasta cewa kusan kashi 2% na nau'in kifaye hermaphrodites ne, amma tunda yawancin suna rayuwa a cikin zurfin zurfin teku, nazarin su yana da rikitarwa sosai. A kan rairayin bakin teku na Panama, muna da yanayin musamman na hermaphroditism. O Serranus tortugarum, kifi tare da jinsi biyu ya haɓaka lokaci guda kuma wanda ke musanya jima'i da abokin tarayya har zuwa sau 20 a rana.
Akwai wani yanayin hermaphroditism wanda wasu kifaye ke da shi, canjin jima'i don dalilan zamantakewa. Wannan yana faruwa a cikin kifayen da ke rayuwa a cikin yankuna, wanda babban namiji da gungun mata suka kafa. Lokacin da namiji ya mutu, babbar mace tana ɗaukar babban matsayin namiji kuma ana haifar da canjin jima'i a cikin ta. wadannan ƙananan kifaye ne wasu misalai na dabbobin hermaphrodite:
- Mai tsattsauran ra'ayi (Labroides dimidiatus);
- Clown kifi (Amphiprion ocellaris);
- Hannun hannayen shuɗi (Thalassoma bifasciatum).
Hakanan wannan halayen yana faruwa a cikin kifin kifin ko kifin, wanda ya zama ruwan dare a cikin kifayen ruwa.
kwaɗi
Wasu nau'in kwaɗi, kamar su Kudancin bishiyar Afirka(Xenopus laevis), su maza ne a lokacin ƙuruciya kuma su zama mata masu balaga.
Ganyen gandun daji na kasuwanci na Atrazine suna sa kwadon jima'i ya canza da sauri. Wani gwaji a Jami'ar Berkeley, California, ya gano cewa lokacin da maza ke fuskantar ƙarancin abubuwan da ke cikin wannan sinadarin, kashi 75% daga cikin su sun kasance sunadarai a cikin sinadarai kuma 10% sun wuce kai tsaye ga mata.
Dabbobin Hermaphrodite: wasu misalai
Baya ga nau'ikan da suka gabata, suma suna cikin jerin sunayen dabbobin hermaphrodite:
- Slugs;
- Dodunan kodi;
- Nudibranchs;
- limpets;
- Tsutsotsi masu faɗi;
- Ophiuroids;
- Trematodes;
- soso na ruwa;
- Murjani;
- Anemones;
- ruwa mai tsabta;
- Amoebas;
- Kifi.
Nemo waɗanne ne dabbobi mafi jinkirin 10 a duniya a cikin wannan labarin na PeritoAnimal.
Idan kuna son karanta ƙarin labarai makamantansu 15 dabbobin hermaphrodite da yadda suke haihuwa,, muna ba da shawarar cewa ku shiga ɓangaren Curiosities na duniyar dabbobi.