________ are useful for identifying abnormal chromosomal numbers.
Karyograms
A nondisjunction event in ________ causes all gametes to be mutant.
meiosis I
In order for cancer to develop, a ________ would need to be inactivated.
tumor suppressor gene
The initiation signal for triggering cell division is ________.
an external event
Paired chromosomes inside the nucleus of cell indicate the organism is ________
diploid
Identify the mechanism that ensure offspring are genetically different from parents and siblings.
Response
Meiosis is divided into ________ round(s) of division.
2
Genetic variation from meiosis is generated during ________.
both meiosis I and meiosis II
At which stage of meiosis are sister chromatids separated from each other?
anaphase II