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Date	November 2009	Marks available	1	Reference code	09N.1.HL.TZ0.34
Level	Higher level	Paper	Paper 1	Time zone	TZ0
Command term		Question number	34	Adapted from	N/A

Question

How many autosomes are there in a human sperm?
A. 1
B. 22
C. 23
D. 46

Markscheme

B

Examiners report

[N/A]

Syllabus sections

Additional higher level » Topic 10: Genetics and evolution » 10.1 Meiosis

Show 21 related questions

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17M.2.HL.TZ2.8b: Draw a labelled diagram of the formation of a chiasma by crossing over.
17M.1.HL.TZ2.19: The genetic determination of dogs’ coats can be quite complex, with many different genes...
17M.1.HL.TZ1.35: Which gametes can result from the following crossover?
17M.1.SL.TZ1.1: Which structure found in eukaryotes has a single membrane? A. Nucleus B. Lysosome C....
16M.1.HL.TZ0.19: In which situation are alleles exchanged? A. During the separation of sister chromatidsB. In...
15M.2.HL.TZ1.5a: Outline the processes that occur during the first division of meiosis.
15N.1.SL.TZ0.13: During which stage of meiosis does crossing over usually occur? A. Prophase I B. Metaphase...
15N.1.HL.TZ0.34: At which stage of meiosis does a pair of sister chromatids separate? A. Metaphase I B....
13M.2.HL.TZ2.3b: Explain how meiosis promotes variation.
13M.1.HL.TZ2.34: How does meiosis cause Mendel’s law of independent assortment? A. Linked genes are randomly...
11M.1.HL.TZ1.33: The diagram below shows chromosomes during meiosis. How many chromosomes and chiasmata are...
11M.1.SL.TZ1.15: What happens in crossing over? A. Exchange of genetic material between homologous...
12M.2.HL.TZ1.4c: Explain how meiosis results in genetic variation in gametes.
12M.1.HL.TZ1.33: Maize (Zea mays) contains 20 chromosomes in a diploid cell. How many chromosomes will be in...
09M.1.HL.TZ1.34: When do chiasmata form in meiosis? A. During prophase I B. During metaphase I C. During...
09M.1.HL.TZ2.23: Which of the following conclusions did Mendel make from his experiments? A. Dominant genes...
10M.2.HL.TZ2.7b: Outline the formation of chiasmata during crossing over.
10M.2.HL.TZ2.7c: Explain how an error in meiosis can lead to Down syndrome.
11N.1.HL.TZ0.17: When does an unequal division of cytoplasm occur? A. During meiosis in the apical meristem...
09N.2.HL.TZ0.3c: Explain how the recombinants are formed during meiosis.

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