Independent assoment of maternal and paternal chromosome occurs at which stage of spermatocyte maturation:
(A) Spermatogonia to primary spermatocyte (B) Primary spermatocyte to secondary spermatocyte (C) Secondary spermatocyte to spermatids (D) Spermatid to spermatozoa
(B) Ans: B. Primary spermatocyte to secondary spermatocyteDuring spermatogenesis - Independent assoment of paternal & maternal chromosomes occurs during meiosis I.Also, primary spermatocyte (2n) is conveed into two secondary spermatocytes.