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In garden pea smooth seeded (S) characte...

In garden pea smooth seeded (S) character is dominant over wrinkled seeded(S) character and red flower (R ) over white
(a)Ssrr`xx`SsRr (b)SsRr `xx` Ssrr (C )SsRr `xx` ssrr (d)SSRR`xx` SSRR (e ) SsRr `xx` SsRr .

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In a pea plant ,smooth seed coat is dominant over wrinkled seed coat.What will be expected ratio of phenotypes of the offspring in a cross between: (i)Heterozygous smooth xx Heterozygous smooth (ii)Heterozygous smooth xx Homozygous wrinkled (iii)Heterozygous smooth xx Homozygous smooth

In Pisum, yellow seed colour (Y) is dominant over green (y), and round shape of seed (R ) is dominant over wrinkled (y). Consider that these two pair of genes assort independently, then (i) What proportion of the offsprings from the cross the cross YyRr xx yyrr would expected to have yellow-seeded trait ? (ii) From the cross Yyrr xx Yyrr , how many will be pure yellow-wrinkled plants in the resulting generation ?

Knowledge Check

  • In Mendel's experiments with Garden Pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledons (YY) was dominant over green cotyledons(yy). What are expected phenotypes in F_(2) generation RRYY xx rryy ?

    A
    Only wrinkled seeds with green cotyledons
    B
    Only wrinkled seeds with yellow cotyledons
    C
    Only round seeds with green cotyledons
    D
    Round seeds with yellow cotyledons and wrinkled seeds with green cotyledons .

  • In Mendel's experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F_(2) -generation of the cross RRYY xx rryy ?

    A
    Only round seeds with green cotyledons
    B
    Only wrinkled seeds with yellow cotyledons
    C
    Only wrinkled seeds with yellow cotyledons
    D
    Round seeds with yellow cotyledons and wrinkled seeds with yellow cotyledons

  • In Mendel's experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotype/s in the F_(2) generation of the cross RRYY and rryy?

    A
    Round seeds with yellow cotyledon.
    B
    Wrinkled seeds with green cotyledon
    C
    Round seeds with green cotyledon.
    D
    Wrinkled seeds with yellow cotyledon

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    In Garden Pea, yellow colour of cotyledons is dominant over green and round shape of seed is dominant over wrinkled. When a plant with yellow and round seeds is crossed with a plant having yellow and wrinkled seeds, the progeny showed segregation for all the four characters. The probability of obatining green round seeds in the progeny of this case is

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