A few statements with regard to sexual reproduction are given below: i. Sexual reproduction does not always require two individuals

Correct answer is (D) always a non-zero number

a. Sexual reproduction brings about variation in the offspring. b. Since gamete formation is preceded by meiosis, genetic recombination occurring during crossing over (meiosis-I), leads to a great deal of variation...

a. Sexual reproduction brings about variation in the offspring.  b. Since gamete formation is preceded by meiosis, genetic recombination occurring during crossing over (meiosis-I), leads to a great deal of variation...

Sexual reproduction promotes diversity of characters in the offsprings. It results in new combination of genes.

(c) ii and iv; is correct

(b) i and iii i. The male and female gametes are formed and released simultaneously iii. Water is the medium in a majority of organisms exhibiting external fertilization

b. Gametes of parents have qualitatively different genetic composition

d. (ii) and (iii) (ii) protoplasts from cells of different species can be fused  (iii) treatment of cells with cellulase and pectinase is mandatory 

c. It will increase

Natality refers to Birth rate Natality – increase in the number of individual due to birth