Sedangkan Pada Gamet Berjumlah Quiz

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Sedangkan Pada Gamet Berjumlah Quiz - Quiz

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Questions and Answers
  • 1. 

    Jumlah kromosom sel somatik manusia adalah 46 buah, sedangkan pada gamet berjumlah ….

    • A.

      46 buah

    • B.

      23 buah

    • C.

      23 pasang

    • D.

      46 pasang

    Correct Answer
    A. 46 buah
    Explanation
    The correct answer is 23 buah. This is because gametes, which are reproductive cells, contain half the number of chromosomes compared to somatic cells. Since somatic cells have 46 chromosomes, gametes will have 23 chromosomes.

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  • 2. 

    Rambut keriting dominan terhadap lurus. Jika hasil persilangan dihasilkan perbandingan rambut keriting dan lurus 1 : 1, maka genotipe parentalnya adalah ….

    • A.

      Hh hh

    • B.

      Hh Hh

    • C.

      HH Hh

    • D.

      Hh hh

    Correct Answer
    A. Hh hh
    Explanation
    The correct answer is Hh hh. This is because the question states that curly hair is dominant over straight hair. In the given genotype combinations, only Hh hh represents a cross between a curly-haired parent (Hh) and a straight-haired parent (hh) that would result in a 1:1 ratio of curly to straight-haired offspring.

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  • 3. 

    Dari hasil perkawinan dari kedua orang tua yang normal, dihasilkan 2 anak perempuan normal, 1 anak laki-laki normal, dan 1 anak laki-laki butawarna. Dapat dipastikan genotipe parentalnya adalah ….

    • A.

      Ibu heterozigot

    • B.

      Ibu homozigot resesif

    • C.

      Ayah homozigot resesif

    • D.

      Ayah heterozigot

    Correct Answer
    A. Ibu heterozigot
    Explanation
    The correct answer is "ibu heterozigot" because when both parents are normal and they have one child with a normal phenotype and one child with a recessive phenotype, it indicates that the parents are carriers of the recessive allele. In this case, the mother is heterozygous for the recessive allele, meaning she carries one normal allele and one recessive allele.

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  • 4. 

    4.     Genotipe  yang tersusun dari sifat dominan saja (AA) atau resesif saja (aa) disebut...

    • A.

      Homozigot

    • B.

      Heterozigot

    • C.

      Dominan

    • D.

      Resesif

    Correct Answer
    A. Homozigot
    Explanation
    Homozigot adalah genotipe yang terdiri dari dua alel yang sama, baik itu alel dominan (AA) atau alel resesif (aa). Dalam hal ini, genotipe yang terdiri hanya dari sifat dominan saja (AA) atau hanya dari sifat resesif saja (aa) dapat disebut sebagai homozigot.

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  • 5. 

     Kromosom yang menentukan jenis kelamin pada individu jantan dan betina disebut....

    • A.

      Autosom

    • B.

      Gonosom

    • C.

      Kromosom homolog

    • D.

      Alel

    Correct Answer
    A. Autosom
    Explanation
    The correct answer is autosom. Autosomes are chromosomes that determine the characteristics and traits of an individual, excluding the determination of sex. In humans, there are 22 pairs of autosomes, while the 23rd pair is the sex chromosomes (X and Y) that determine the sex of an individual. Therefore, autosomes are not involved in determining the sex of an individual, unlike the sex chromosomes.

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