In the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree:
1. Autosomal dominant
2. X-linked recessive
3. Autosomal recessive
4. X-linked dominant
1. | It confirms that DNA is the carrier of genetic information |
2. | It helps to understand whether the trait in question is dominant or recessive |
3. | It confirms that the trait is linked to one of the autosomes |
4. | It helps to trace the inheritance of a specific trait |
Which one of the following symbols and its representation, used in the human pedigree analysis is correct?
1. | = Mating between relatives |
2. | = Unaffected male |
3. | = Unaffected female |
4. | = male affected |
Study the pedigree chart of a certain family given below and select the correct conclusion which can be drawn for the character:
1. | The parents could not have had a normal daughter for this character |
2. | The trait under study could not be colourblindness |
3. | The male parent is homozygous dominant |
4. | The female parent is heterozygous |