Which one of the following is not a parasitic adaptation?

  • A
    Development of adhesive organs
  • B
    Loss of digestive organs
  • C
    Loss of reproductive capacity
  • D
    Loss of unnecessary sense organs

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Similar Questions

In Mr. Kapoor,there is a pair of autosomal genes $Bb$ and a sex-linked factor $d$. What will be the proportion of $Bd$ in his sperm?

Match the following (Column-$I$ with Column-$II$):
Column-$I$Column-$II$
$(P)$ $(2n-1)$$(i)$ Produces normal female
$(Q)$ $Hb^s Hb^s$$(ii)$ Produces haploid male
$(R)$ $22AA+XX$$(iii)$ Causes Turner syndrome
$(S)$ $(X+O)$$(iv)$ Causes sickle cell anemia
$(v)$ Causes hemophilia
$(vi)$ Shows Klinefelter syndrome

Read the following statements and identify the correct ones.
$(1)$ Linkage and recombination were first understood in $Lathyrus$ $odoratus$.
$(2)$ Mendel's work was rediscovered by Correns,Tschermak,and de Vries,which was published in $1900$.
$(3)$ $T.H.$ Morgan is considered the father of experimental genetics.
$(4)$ $A$ child born to parents with thalassemia major can be affected by thalassemia.
$(5)$ In birds,the female is homogametic and the male is heterogametic.

Match the following:
Column-$I$ Column-$II$
$(1)$ Inheritance of two genes $(a)$ $ABO$ blood group
$(2)$ Incomplete dominance $(b)$ $1:2:1$
$(3)$ Codominance $(c)$ $9:3:3:1$
$(4)$ Inheritance of one gene $(d)$ $3:1$

Variation stands for differences in traits of progenies from

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