STD 12 - 7. human health and disease — BIOLOGY STD 12 Science — Question

$I.$ It is phenomenon in which more recombinants are produced in $F_{2}$-generation

$II.$ More parental combination are produced in $F_{2}$-generation

$III.$ Genotype which are present in $F_{1}$ hybrid. Reappear in high frequency in $F_{2}$-generation

$IV.$ It is a phenomenon in which two chromosome are linked

$Y$ - The male sex accessory ducts includes vasa efferentia, epididymis and vas deferens while rete testis is an external genital organ