Chapter 8 Cellular Reproduction Flashcards
A Bacteria Cell divides by a process called _____?
Binary Fission
Which chromosome pairs are the same length and have the same genes, but are not identical?
Homologous chromosomes
What do centromeres bind together?
Sister Chromatids
Which type of cell division is strictly for sexual reproduction?
Meiosis
How many representatives of each homologous chromosome does a haploid have?
1
How many cells are produced from meiosis?
4
When do homologous chromosomes connect with each other and start crossover?
Prophase I
Independent orientation of chromosomes
The idea that one set of chromosomes will line up independent from all other sets of chromosomes
A mistake in meiosis where one chromosome doesn’t separate properly is called what?
Nondisjunction
S Phase
The phase of a cell cycle DNA synthesis occurs
Cytokinesis
When a cell divides in two
Checkpoints
Places in the cell cycle where the process can be delayed until certain conditions are met (or indefinitely)
The Centrosome contains _______to make the spindle for cell division.
Microtubules
Allele
Alternative forms of a gene containing the specific instructions to produce a phenotype
Fertilization
when sperm and egg meet
Autosomes
non-sex chromosomes are called
Which type of reproduction involves gametes?
Sexual
Name the three sub-phases of interphase
G1, S, G2
In normal cells, there will be division until a single layer is produced. This is called ______ dependence.
Density
Why is a cell plate necessary for cytokineses in plants and not animals?
It has a cell wall
A particular place on a chromosome which has instructions for a protein is called a ______?
Locus
During what phase of meiosis do sister chromatids line up together?
metaphase II
In what phase do the sister chromatids pull apart?
Anaphase
The “x” shaped sites of crossover are called ______?
Chiasmata
