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Thread: 1st and 2nd year biology k mutaliq aap jo poochna chahen poochye

  1. #13
    speedyboy3 is offline Advance Member
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    Quote ansiark said: View Post
    yar polymorphizm kya hain
    poly = many

    morphism = shapes/structure


    means different shapes or many shapes

    the occurence of a species in two or more than two structurally and fucnctionally different kind of zooids is called polymorphism
    .e.g physalia


  2. #14
    speedyboy3 is offline Advance Member
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    see 1st year biology book pg no=196 chapter 10(old book)
    new book men 1 do page aagy peechay hoga

  3. #15
    khalil_lush is offline Senior Member+
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    what is chromosomes?

  4. #16
    johnyitalian is offline Senior Member+
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    what is Dna

  5. #17
    speedyboy3 is offline Advance Member
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    Quote johnyitalian said: View Post
    what is Dna

    DNA stands for deoxyribonucleic acid ,

    DNA is a substance carrying genetic material/ information that is found in the cell nuclei of all organisms.

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    speedyboy3 is offline Advance Member
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    Quote khalil_lush said: View Post
    what is chromosomes?
    chromosome are thread like structures in the nucleus of a cell carrying genes which are responsible for hereditary chracters

  7. #19
    sheeraz shah is offline Senior Member+
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    Bhai ye Mutual Evolution kia hota he?? Th0ra samjhaen ge!?

  8. #20
    jdwmuslim is offline Advance Member
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    Dear ye btao phr k Murga anda kiun nahi day skta........?

  9. #21
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    Blood presure ki osatan speed kitni hoti hai?

  10. #22
    speedyboy3 is offline Advance Member
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    Quote qhassam said: View Post
    Blood presure ki osatan speed kitni hoti hai?
    120/80mmHg

  11. #23
    speedyboy3 is offline Advance Member
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    Quote 4hyder said: View Post
    Alternate form of gene is call Allel. Ye allel kaya chez hai explain
    alternative form of gene which are present on same chromosome ,dominant allele mask the recessive allele



    chromosome par kisi bhi chracter k lye do genetic material laga hota hai
    misal k tor par height k lye agr chromosome per height wali genes
    Tall gene and small gene
    ye dono 1 hi point par lagi hongi
    magr in main tall wali dominant hai to tall wala chracter small height waly par havi hojaega or jo bhi organism hoga wo tall hoga...

    small height k lye dono small height wali genes honi chahye...

  12. #24
    fahadkh is offline Junior Member
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    bohat acha topic hai apka

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