Nondisjunction and Karyotypes
Cell Cycle and Mitosis
Asexual vs Sexual Reproduction
Life Cycles
Meiosis
100
What do scientists use karyotypes for?
to spot abnormalities
100
What are the steps of mitosis from 1st to last.
Prophase, Metaphase, Anaphase, Telophase
100
Which type of reproduction is most favorable in a changing environment?
Sexual reproduction
100
True or False: In a haploid individual, gametes are produced by mitosis.
True
100
What are the stages of meiosis from beginning to end?
Prophase I, Metaphase I, Anaphase I, Telophase I (cytokinesis), Prophase II, Metaphase II, Anaphase II, Telophase II (cytokinesis)
200
What does nondisjunction result in?
Monosomy and Trisomy
200
What are the 3 steps of interphase?
G1 (Growth phase 1), synthesis (DNA), G2 (Growth phase 2)
200
Name 3 types of asexual reproduction.
budding, fission, fragmentation
200
In alternation of generations, the diploid individual (2n) can also be called a ________.
Sporophyte
200
What stage of meiosis can crossing-over occur?
Prophase I
300
Nondisjunction can happen in what phase?
Anaphase I or Anaphase II
300
Name 2 ways cancer is caused.
breakdown in tumor suppressing genes, malfunctioning protein
300
True or False: In asexual reproduction, haploid cells fuse before reproduction can occur.
False
300
True or False: In a gametophyte, gametes formed by meiosis fuse to form a zygote.
False
300
What is the difference between Anaphase I and Anaphase II?
The homologous chromosomes don't separate in Anaphase I, but do in Anaphase II.
500
FINAL JEOPARDY What is the number of recombined sperm cells after independent assortment (without crossing over)
2^23 (about 8 million)
M
e
n
u