12 Questions
What is the term for the process by which homologous chromosomes become closely associated with each other during prophase I of meiosis I?
Synapsis
What is the term for the site where genetic recombination (crossing over) occurs during synapsis?
Chiasmata
What is the result of Meiosis I?
Two haploid cells
What is the characteristic of meiosis that distinguishes it from mitosis?
Two rounds of cellular division
What is the dominant phase in mammals?
Diploid phase
What is the result of fertilization?
One diploid cell
What is the result of crossing over between non-sister chromatids in meiosis?
Genetic recombination
What is the consequence of nondisjunction during meiosis?
Gametes with an abnormal number of chromosomes
What is unique to prophase I in meiosis?
Synapsis
What is the result of meiosis in animals?
4 cells that develop directly into gametes
What occurs during anaphase I in meiosis?
Homologues separate
What is the significance of meiosis in evolution?
It introduces genetic variation
Understand the difference between diploid and haploid cells, and how meiosis and fertilization play a crucial role in sexual reproduction. Learn about the life cycles of organisms and how they inherit chromosomes from their parents.
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