| Date | November 2015 | Marks available | 1 | Reference code | 15N.1.SL.TZ0.16 |
| Level | Standard level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Question number | 16 | Adapted from | N/A |
Question
A colour blind man and a woman carrier for colour blindness have a son. What is the probability that their son will be colour blind?
A. 25 %
B. 50 %
C. 75 %
D. 100 %
Markscheme
B
Examiners report
[N/A]
Syllabus sections
Show 89 related questions
- 17N.2.SL.TZ0.06c: Outline natural methods of cloning in some eukaryotes.
- 17N.2.SL.TZ0.02c: State an application of plasmids in biotechnology.
- 17N.1.SL.TZ0.15: HindIII is an endonuclease that recognizes the sequence A A G C T T, cutting between the two...
- 17M.2.HL.TZ1.1f.ii: Suggest a reason for the greater expression of the gene for the urea transporter after an...
- 17M.2.HL.TZ1.1e: Outline the additional evidence provided by the gel electrophoresis results shown above.
- 17M.2.SL.TZ1.5c: Explain benefits and risks of using genetically modified crops for the environment and also...
- 17M.2.SL.TZ1.1c: Estimate how much smaller drilled oysters raised in seawater at a high CO2 concentration were...
- 17M.1.HL.TZ2.21: Which is a possible risk associated with a genetic modification of crops? A. Crop plants...
- 17M.1.HL.TZ1.26: A DNA profile was made of one individual in a paternity suit. Locus B was used to distinguish...
- 17M.1.SL.TZ2.27: The bacterium Neisseria gonorrhoeae causes infections related to the human reproductive...
- 17M.1.SL.TZ1.21: Cladograms can be created by comparing DNA or protein sequences. The cladogram on the left is...
- 16M.2.HL.TZ0.1j: Using the data from all three studies, evaluate the use of embryonic stem cells as a...
- 16M.2.HL.TZ0.1i: Suggest an ethical advantage of using this type of therapy over embryonic stem cell therapy.
- 16M.2.HL.TZ0.1c: Describe the reason for testing for insulin mRNA in the embryonic stem cell cultures.
- 16N.1.SL.TZ0.13: What is produced by somatic-cell nuclear transfer? A. Adult sheepB. Cloned embryosC. Rooted...
- 16M.1.HL.TZ0.7: Which sequence of DNA would be suitable in DNA profiling? A. ---ATTCGTGAATCAGCC--B....
- 16M.1.SL.TZ0.16: Which technique separates proteins according to size? A. Treatment with restriction...
- 15M.1.HL.TZ1.14: Which process can be used to amplify small fragments of DNA?A. Gel electrophoresisB....
- 15M.1.SL.TZ2.16: What was an aim of genetic modification of organisms?A. To provide stem cells from embryos...
- 15M.2.HL.TZ2.2a: State the name of the process used to produce the pattern of bands seen in the image.
- 15M.2.SL.TZ2.6c: Discuss ethical issues of therapeutic cloning in humans.
- 15M.2.HL.TZ2.2b: Determine, with a reason, which male is the father of the child.
- 15M.2.HL.TZ2.7c: Using a named example of a genetically modified crop, discuss the specific ethical issues of...
- 15M.2.SL.TZ2.6b: Following fertilization, cells in the developing embryo differentiate. Outline a technique...
- 15M.2.HL.TZ2.3c (iv): Explain the role of the following enzymes in DNA replication.DNA ligase
- 15M.2.SL.TZ1.6b: Describe the application of DNA profiling to determine paternity.
- 15M.1.HL.TZ2.27: What was an aim of genetic modification of organisms? A. To provide stem cells from embryos...
- 15M.1.HL.TZ2.26: What is a definition of a clone? A. A group of cells derived from a single parent cellB....
- 15N.1.SL.TZ0.17: Laboratory analysis of DNA from a 40 000 year old woolly mammoth used the polymerase chain...
- 15N.1.HL.TZ0.14: How are enzymes used during gene transfer involving plasmids?
- 15N.2.SL.TZ0.5b: Outline a technique used for gene transfer.
- 15N.2.HL.TZ0.5b: Outline a technique used for gene transfer.
- 13M.2.HL.TZ1.6b: Factor IX is a blood clotting protein which some hemophiliacs lack. In the future hemophilia...
- 13M.2.SL.TZ2.5b: Outline the use of named enzymes in gene transfer using plasmids.
- 13N.1.SL.TZ0.15: What happens to DNA fragments in electrophoresis?A. They move in a magnetic field and are...
- 13N.1.SL.TZ0.16: The flow chart summarizes methods of gene transfer. Which enzymes are used in steps I and...
- 13M.1.SL.TZ2.17: The diagram shows results of electrophoresis of DNA from a crime scene. Which suspect...
- 11M.1.HL.TZ1.13: A new allele that provides herbicide resistance is identified in soybean plants. The allele...
- 11M.1.HL.TZ1.15: Which statement about the polymerase chain reaction (PCR) is correct? A. PCR allows DNA to...
- 11M.1.SL.TZ1.19: Which enzymes are needed to produce recombinant plasmids to be used in gene transfer? A. DNA...
- 11M.1.SL.TZ1.17: Which of the following types of information are needed to construct a karyotype? I. Size of...
- 11M.1.SL.TZ2.26: Rhesus factor is an antigen present on the surface of red blood cells of Rhesus positive...
- 11M.1.SL.TZ2.16: How is the polymerase chain reaction (PCR) used? A. To make many copies of a DNA molecule ...
- 12M.2.HL.TZ1.6b: Outline a technique of gene transfer resulting in genetically modified organisms.
- 12M.1.HL.TZ1.12: What makes gene transfer between species possible? A. All species use the same genetic code....
- 12M.1.HL.TZ2.14: What is a plasmid? A. Chloroplast DNA B. Mitochondrial DNA C. Small circle of DNA that can...
- 12M.1.SL.TZ2.15: What is amplified using the polymerase chain reaction (PCR)? A. Large amounts of RNA B....
- 12M.1.SL.TZ1.17: What makes gene transfer between species possible? A. All species use the same genetic code....
- 12M.1.SL.TZ2.16: What is a plasmid? A. Chloroplast DNA B. Mitochondrial DNA C. Small circle of DNA that can...
- 12M.2.SL.TZ2.6b: A small DNA sample found at a crime scene can be used in an investigation. Describe the steps...
- 09M.2.HL.TZ1.1b: Discuss which species of stem borer was most successfully controlled by the genetic...
- 09M.2.HL.TZ1.1d: Evaluate the use of Bt maize as a food source on the growth of the rats.
- 09M.2.HL.TZ1.1g: Compare the biomass of microbes in the soils surrounding the roots of Bt maize and non-Bt maize.
- 09M.2.HL.TZ1.1c: Calculate the change in mean mass of male and of female rats fed on Bt maize from day 14 to 42.
- 09M.2.HL.TZ1.1e: Comment on the use of Bt maize as a food source compared to the other diets tested.
- 09M.2.HL.TZ1.1h: The researchers’ original hypothesis stated that microorganisms would be negatively affected...
- 09M.2.SL.TZ1.1e: Describe the change in mean mass for the female rats during the 90-day experiment.
- 09M.2.SL.TZ1.7b: Outline a basic technique for gene transfer.
- 09M.1.HL.TZ1.14: What conclusion can be made from the following evidence from an analysis of DNA...
- 09M.2.SL.TZ1.1a (i): State what would be used as the control in this experiment.
- 09M.2.SL.TZ1.1b: Outline the effects of the three species of stem borer on Bt maize type A.
- 09M.2.SL.TZ1.1c: Evaluate the efficiency of the types of Bt maize studied, in controlling the three species of...
- 09M.2.SL.TZ1.1f: Evaluate the use of Bt maize as a food source compared to the other diets tested.
- 09M.1.HL.TZ2.22: What could be achieved by DNA profiling using gel electrophoresis? A. The chromosome number...
- 09M.1.SL.TZ1.17: Which process is used in polymerase chain reaction (PCR)? A. Transcription B. Translation C....
- 10M.2.HL.TZ2.4b (ii): State two general types of enzymes used in gene transfer.
- 10M.2.HL.TZ2.4b (i): Label the diagram below which shows a basic gene transfer. I....
- 10M.1.SL.TZ1.16: Which processes involved in cloning an animal are indicated by the letters X and Y?
- 10M.1.SL.TZ2.17: The diagram below represents the results obtained in a DNA profile from a crime...
- 10M.2.SL.TZ1.4a: Gene transfer to bacteria often involves small circles of DNA into which genes can be...
- 10M.2.SL.TZ1.4b: The diagram below shows a cut circle of DNA into which a gene is being inserted. Before it...
- 10M.2.SL.TZ1.4c: Discuss the potential benefit and possible harm of one named example of gene transfer between...
- 10M.1.HL.TZ2.13: What does the universal nature of the genetic code allow? A. Change of genetic code in the...
- 09N.1.SL.TZ0.15: A small amount of a suspect’s DNA is obtained from a crime scene. What techniques would be...
- 09N.1.HL.TZ0.14: What type of enzyme could be used to cut a DNA molecule as indicated by the dotted line on...
- 09N.1.HL.TZ0.15: What does therapeutic cloning involve? A. Developing genetically identical cultures of human...
- 11N.1.HL.TZ0.20: Which technique causes fragments of DNA to move in an electric field? A. Polymerase chain...
- 11N.2.SL.TZ0.4b: Suggest how sheep could be genetically modified to help the treatment of hemophilia in humans.
- 12N.1.HL.TZ0.11: When genes are transferred between species, the amino acid sequence of the polypeptide...
- 12N.2.SL.TZ0.6c: Discuss the benefits and possible harmful effects of altering species by one example of...
- 10N.2.SL.TZ0.1c: Deduce the general relationship between the growth of all the japonica varieties and their...
- 10N.2.SL.TZ0.1a(i): State which group of rice plants were the shortest at the beginning of the experiment.
- 10N.2.SL.TZ0.1a(ii): Calculate the percentage change in height for the O. sativa japonica unmodified variety...
- 10N.2.HL.TZ0.1e(i): State the overall effect of overexpression of the OsGI gene in plants treated with short-day...
- 09N.2.SL.TZ0.7c: Using a named example, discuss the benefits and harmful effects of genetic modification.
- 10N.2.HL.TZ0.1g: Evaluate, using all the data, how modified varieties of rice could be used to overcome food...
- 10N.2.HL.TZ0.1e(ii): Compare the results between the plants treated with short-day light and the plants treated...
- 09N.2.SL.TZ0.7a: Describe karyotyping and one application of its use.
- 09N.2.SL.TZ0.7b: Describe a technique used for gene transfer.
