During prophase in meiosis I, the cell replicates ________, the ______ ___________ forms, and the chromosomes __________.
What is grows and replicates DNA; what is spindle apparatus; what is condense?
100
In prophase II, the chromatin ______________, the ___________ __________ appear, and the ___________ __________ disentegrates.
What is condenses; what is spindle fibers; what is nuclear envelope?
100
See Visual 100- This picture represents a cell in metaphase ___.
What is metaphase I?
100
A single organism has 40 chromosomes. ___ chromosomes are in a single cell after meiosis I is completed
What is 40 chromosomes?
200
During meiosis, due to _________ _______, the daughter cells are not _______ to the parent cells.
What is crossing over; what is genetically identical?
200
The centromeres _____________ during anaphase I.
What is stay together?
200
During anaphase II, the __________ __________ separate.
What is sister chromatids?
200
See Visual 200
This picture represents a cell in _______________.
What is anaphase II?
200
A cell has fifteen chromosomes after meiosis II is completed. The cell had ___ chromosomes originally.
What is 30 chromosomes?
300
Meiosis has _____ stages; in the first stage _____________ __________ separate and in the second stage ______ _____________ separate.
What is 2; what is homologous chromosomes; what is sister chromatids
300
During metaphase I, the _____________ ____________ line up on opposite sides of the ______________ _____________.
What is homologous chromosomes; what is metaphase plate?
300
In metaphase II, the spindle fibers connect to the ____________ of the __________ ____________.
What is kinetochore; what is sister chromatids?
300
See Visual 300
This picture represents a cell in _________________.
What is prophase II?
300
A human has 46 chromosomes. The same human has ___ chromatids.
What is 92?
400
Only ________ do meiosis, while all cells do mitosis.
Gametes
400
Crossing over occurs during the end of _________.
What is prophase I?
400
When meiosis II is completed, there are ______ cells, the cell has _________ number of chromosomes and __________ number of chromatids.
What is four; what is the same number; what is half?
400
This picture represents a cell in__________ undergoing ___________ __________.
What is prophase I; what is crossing over?
400
A mutated cell has 46 chromosomes and 92 chromatids originally. After meiosis II, the cell has 23 chromosomes and still has 46 chromatids. The sister chromatids ___________ during meiosis II, causing this mutated cell.
What is failed to separate?
500
When a cell undergoes mitosis, the daughter cells have __________ chromosomes compared to the parent cell. When a cell undergoes meiosis, the daughter cells have ____________ chromosomes compared to the parent cell.
What is the same number; what is half the number?
500
What is synapsis?
The process by which homologous chromosomes (one from each parent) become attached in the synaptonemal complex.
500
Going into meiosis II, the cells have __________ chromosomes compared to the parent cell. They have __________ chromatids compared to the parent cell.
What is the half; what is half?
500
Draw a picture of a cell in telophase II.
See picture.
500
If a human cell has 46 chromosomes, ____ chromosomes and ____ chromatids are in each daughter cell after meiosis I.