Oogenesis and Polar Bodies Quiz

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How many first polar bodies will be produced from 8 oogonia?

4

8 (correct)

16

32

What is the number of chromosomes (n) and chromatids in primary spermatocytes?

1n2c

2n2c

2n4c (correct)

4n8c

How many different types of gametes will a hypothetical cell with three pairs of chromosomes if crossing over does not take place?

4

1

8 (correct)

16

How many chromosomal arrangements of metaphase I are possible for a hypothetical cell with three pairs of chromosomes?

8 Signup and view all the answers

Crossing over happens during the following stage of meiosis?

Prophase I Signup and view all the answers

How many secondary spermatocytes will be produced from 7 primary spermatocytes?

14 Signup and view all the answers

How many chromosomal arrangements of metaphase I are possible for a hypothetical cell with two pairs of chromosomes?

2 Signup and view all the answers

How many spermatozoa will be produced from one primary spermatocyte at the end of meiosis?

4 Signup and view all the answers

How many chromatids will you find in metaphase I of a human cell?

92 Signup and view all the answers

How many polar bodies will be produced from one secondary oocyte at the end of meiosis?

1 Signup and view all the answers

What is the number of chromosomes (n) and chromatids in secondary spermatocytes?

1n2c Signup and view all the answers

How many groups of chromosomes are classified according to the Denver nomenclature?

7 Signup and view all the answers

Which type of the chromosomes is shown in the figure? (figur visar väldigt kort arm och lång arm)

Akrocentric Signup and view all the answers

Which of chromosomes in the karyotype are acrocentric?

13 14 15 21 22 Y Signup and view all the answers

At what stage of mitosis are the chromosomes fixed?

Metaphse Signup and view all the answers

What are the characteristics of the main types of metaphase chromosomes?

The arm size and centromere position Signup and view all the answers

Indicate a normal female karyotype

46 XX Signup and view all the answers

What type of chromosome if shown in the figure below? (figure is short and long arm)

Submetacentric Signup and view all the answers

Stage of mitosis the chromosomes are being examined?

Metaphase Signup and view all the answers

Why is colcemid is added to the nutrient medium?

Blocks cell division in metaphase Signup and view all the answers

The size of chromosome aberrations that can be determined by staining the chromosomes with G-banding is:

Larger than 5 Mbp Signup and view all the answers

why dividing cell cultures are needed for cytogenetic research?

for the analysis of metaphase stage Signup and view all the answers