Ch. 9 Lesson 3 Review
why are cells that completed Meiosis I not diploid?
Because only homologous chromosomes pair and form in a tetrad together.
How do chromosomes during meiosis I change to cause unique offspring?
Chromosomes begin in meiosis I with prophase I, and in this phase the sister chromatids are joined together each one of them shrink.
Describe an egg cell, a sperm cell, and a somatic cell in these terms: diploid, haploid, male, female.
Eggs and sperms
Gametes are created during a dividing process called ______.
Fertilization
Sex cells have a total of ______ chromosomes, and all other cells have a total of ________ chromosomes.
Homologous chromosomes
Human cells that are not gametes are called ______ cells.
Somatic cells.
Tetrads form during ______.
a pair of homologous chromosomes together.
After completing meiosis II, human sex cells have a total of ________ chromosomes.
homologous chromosomes.
The main difference between meiosis I and meiosis II is that _____ in meiosis II.
the nuclei don't divide.