Which of the following events occurs during meiosis I and directly increases genetic variation by exchanging segments between non-sister chromatids of homologous chromosomes?

A) Independent assortment of sister chromatids during anaphase II

B) Crossing over between homologous non-sister chromatids during prophase I

C) DNA replication producing identical sister chromatids during interphase

D) Cytokinesis yielding four genetically identical haploid gametes

Inherited traits and variation Knowledge-Based Download PDF

Biology · Heredity · Biology · Meiosis & Sexual Reproduction

1 Biology practice questions on Inherited traits and variation. Questions that assess core concepts and understanding.

Heredity · Biology

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