Answer 1. D it separates homologous chromosomes and therefore gene alleles into separate gametes.
Reason - law of segregation is based on the fact that two factors of a character present in a individual do not get mixed up and both traits are recovered. During gamete or spore formation, traits of a pair separate or segregate from each other, so that a gamete carries only one trait of a character.
Answer2: C Homologous pairs split and move toward opposite poles of the cell.
Reason- During anaphase - I spindle fibres pull humologous chromosomes towards the opposite poles of the spindle. This process of separation is termed as disjunction. It is the stage in which chromosomes number becomes half.
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