Answer: Cross fertilization
Answer: Cross fertilization
Answer: Round and yellow
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(i) Large chromosome (ii) Small chromosome (iii) Y-chromosome (iv) X-chromosome
Answer: (iii) and (iv)
Answer: Girl
(i) DNA undergoes significant changes in germ cells. (ii) Chromosome number changes in the gamete. (iii) There is no change in the genetic material (iv) Mating does not take place
Answer: (I) and (ii)
(i) Round, yellow (ii) Round, green (iii) Wrinkled, yellow (iv) Wrinkled, green
Answer: (i) and (iv)
Answer: The extinction of organism has occurred thousands of years ago
Answer: All variations in a species have equal chances of survival
Answer: Two individuals of a species
Answer: Copies of the same chromosome
(i) Genes are specific sequence of bases in a DNA molecule (ii) A gene does not code for proteins (iii) In individuals of a given species, a specific gene is located on a particular chromosome (iv) Each chromosome has only one gene
Answer: (i) and (iii)
Answer: Turner syndrome
L = long, l = short W = wrinkled, w = smooth Y = yellow, y = white R = ribbed, r = grooved
Which of the following is the genotype for a short, wrinkled, yellow, grooved seed?Answer: llWwYYrr