ICSE-X-Biology

02 Genetic: Some Basic Fundamentals

with Solutions - page 3

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  • #3-b
    red flower variety of pea (RR) with white flower variety of pea (rr)
    Ans :
    Genotype - 1(Homozygous red):2 (Heterozygous red):1 (Homozygous white) Phenotype-3 (Red):1(White)
  • Qstn #4
    A family consists of two parents and their five children and the pedigree chart below shows the inheritance of the trait colour blindness in them.
  • #4-a
    Who is colour blind in the parents - the Father or the Mother?
    Ans : Father
    (b) Two sons and three daughters
    (c) The child 1 (daughter) is colour blind
    (d) X chromosome
    (e) Haemophilia