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11 terms

Sexual Reproduction & Meiosis

STUDY
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zygote
fertilized egg
fertilization
the union of an egg and sperm
How many parents do sexually & asexually reproducing organisms need?
asexual=1, sexual=2
How many divisions of the nuclei are in meiosis?
2
What happens in Prophase 1?
synopsis and crossing over occur
What happens in Metaphase 1?
tetrads line up
What happens in Anaphase 1?
homologous pairs separate
What happens in Telophase 1?
cytoplasm divides forming 2 cells
What happens in Cytokinesis 1?
cell division
Where do sister chromatids separate?
anaphase 2
When are tetrads formed? When are they separated?
formed during prophase 1, separated during anaphase 2