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(a) heridity and variation
(a) 44XX
(d) Genes
(d) GG1:Gg2:gg1
(i) and (iv)
(d) accumulation of variants during several generations
(b) copies of same chromosome
(d) Weight of body
(ii) and (iii)
(c) One
Genetics is the study of
(a) heridity and variation
(a) heridity and variation
See lessThe chromosomal set up of a human female can be represented as
(a) 44XX
(a) 44XX
See lessOn chromosomes certain bead like structure are arranged in a linear order these are
(d) Genes
(d) Genes
See lessThe genotype of green stemmed tomato plant is denoted by GG and that of purple stemmed tomato plant as gg. Hybrids of a cross between these two were selfed to obtain F2 progeny, what will be the ratio of GG, Gg and egg in this progeny?
(d) GG1:Gg2:gg1
(d) GG1:Gg2:gg1
See lessWhich of the following statements are correct?
(i) and (iv)
(i) and (iv)
See lessAccording to evolutionary theory, formation of new species is generally due to
(d) accumulation of variants during several generations
(d) accumulation of variants during several generations
See lessThe two versions of a trait ( character) which are brought together in zygote by male and female are located on
(b) copies of same chromosome
(b) copies of same chromosome
See lessFrom the list given below, select the characters which can be acquired but not inherited?
(d) Weight of body
(d) Weight of body
See lessSelect the statements that describe characteristics of genes
(ii) and (iii)
(ii) and (iii)
See lessHow many number of pairs of sex chromosome are present in human zygote?
(c) One
(c) One
See less