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Bio Unit 2 Sec 3 #5

Lecture17: Meiosis and Human Reproduction

QuestionAnswer
Phase of Meiosis when sister chromatids arrive at opposite ends of the cell Telophase I
During telophase I in meiosis, the cell _____ forms and ___ new cells results that are diploid, but are NOT identical copies of the parent Membrane; 2
When 2 new diploid cells result from the telophase I stage of meiosis, that are ______ identical copies of the _____ cell Not; Parent
The second cell division that begins with the 2 cells resulting from Meiosis I is called: Meiosis II
Meiosis II mimics _____ Meiosis
The results of Meiosis II is ___ haploid gametes 4
In Meiosis II, each gamete will have chromosomes with a _____ combination of alleles Unique
Sex reproduction is the BOMB because it ______ genetic variability of offspring which increases ______ of populations Increases; Success
Two phases of Meiosis: Meiosis I; Meiosis II
Random/Independent _________ and ________ greatly increase genetic variability of offspring Assortment; Crossing Over
Prophase I step that creates combinations of genes that are not seen in either parent is called: Crossing Over
Metaphase I stage that greatly increases genetic variability: Random/Independent Assortment
In Meiosis II, the 4 haploid gametes that result will have a unique combination of alleles and will NOT be identical copies of the ______ Parents
Through Random/Independent Assortment you get _____ million (8 million for egg and 8 million from sperm) possible combinations of genes in 1 ____ 64; Zygote
In Metaphase I, _______ line up along the middle of the cell, called the Metaphase _____ Tetrads; Plate
When you have crossing over, you get a new unique _______ Chromosome
Created by: scarangelo
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