CH13 Review, Meiosis
Asexual reproduction requires _____ individual(s).
1
Synapsis occurs during _____.
Prophase I
Which of the following is a normal human female?
XX
A human cell containing 22 autosomes and a Y chromosome is
a sperm
When animal cells are grown in a petri dish, they typically stop dividing once they have formed a single, unbroken layer on the bottom of the dish. This arrest of division is an example of
density-dependent inhibition
What is the typical result when a diploid cell undergoes meiosis?
four haploid cells
In humans, the _____ determines the sex of the offspring because _____.
male...the male can contribute either an X or Y chromosome
Homologous chromosomes move toward opposite poles of a dividing cell during
meiosis I
After fertilization, the resulting zygote begins to divide by _____.
mitosis
Which life cycle stage is found in plants but not animals?
multicellular haploid
Meiosis II is similar to mitosis in that
sister chromatids separate during anaphase
At a critical point in meiosis, the chromosomes do not replicate. This occurs between
telophase I and prophase II