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WorksheetsIB Theoretical genetics
Total questions: 10
Worksheet time: 8mins
What term describes different forms of the same gene?
(a)
What process forms new alleles of a gene?
(a)
What term describes the position occupied on a chromosome by a gene?
(a)
Which of the statements below is correct?
There is a correlation between the number of chromosomes and the number of genes
There is no correlation between the number of chromosomes and the number of genes
The number of chromosomes a species has can vary
The DNA in prokaryotes is associated with protein
Glutamic acid is replaced by which amino acid causing sickle cell anaemia?
Lysine
Valine
Methionine
Glycine
What term describes the whole of the genetic information of an organism?
(a)
What type of mutation is the cause of sickle cell anaemia?
(a)
How many genes are there in the human genome?
2000
21,000
210,000
2,000,000
What term describes chromosomes with the same sequence of genes and the same structural features?
Analogous chromosomes
Homologous chromosomes
Non sister chromatids
Autosomes
The Cairns method used which technique to establish the length of bacterial chromosomes and that they are circular?
PCR
Freeze-fracture micrography
Gel electrophoresis
Autoradiography
