What is the genotype of individual II-3?
What is the genotype of individual II-3?
Individual II-3 is represented by a non-shaded square, indicating that it is a male with unattached earlobes. Because the trait we are tracking, attached earlobes, is autosomal recessive, shaded individuals will have a homozygous recessive genotype (ee). Individuals that are non-shaded will have at least one E allele.
How do you calculate pedigree?
Pedigrees
- Determine whether the trait is dominant or recessive. If the trait is dominant, one of the parents must have the trait.
- Determine if the chart shows an autosomal or sex-linked (usually X-linked) trait. For example, in X-linked recessive traits, males are much more commonly affected than females.
How are individuals III 2 and II-4 related?
How are individuals III-2 and II-4 related? They are not affected by Huntington’s disease. carriers of colorblindness? Females is the most likely to be carriers of colorblindness.
What is the relationship between I 2 and III 2?
(7.4) Pedigree flashcards
| A | B |
|---|---|
| What does this symbol represent?, | a male who is heterozygous for the trait being studied |
| What is the relationship between individuals II-1 and II-2?, | II-1 and II-2 are parent and offspring/father and son. |
| What does the line through II-3 indicate?, | II-3 died because of the trait. |
Is individual 2 in Figure 14 2 homozygous or heterozygous for free earlobes explain?
ANS: The individual is heterozygous (Ff), since her daughter has attached earlobes. The daughter inherited one allele for attached earlobes from individual 2 and another from individual 1. 32.
How do I make a pedigree chart online?
SmartDraw is the world’s best way to make a pedigree chart. Instead of starting with a blank page, SmartDraw provides a pedigree template where the father-mother shapes are already connected. Add children instantly by clicking ‘Add Descendant’ from the SmartPanel. Add a spouse or another generation just as easily.
What gave you the essential information to decide that III 3 and II 4 were heterozygous?
How can you know for sure that individuals II-3 and II-4 are heterozygous? Because their offspring have the disease so they are both carriers of it. 3. Do you think the cross above is sex-linked or autosomal?
What is the relationship between II 1 and II 3?
(7.4) Pedigree flashcards
| A | B |
|---|---|
| What is the relationship between individuals II-1 and II-2?, | II-1 and II-2 are parent and offspring/father and son. |
| What does the line through II-3 indicate?, | II-3 died because of the trait. |
| How many individuals are in the 2nd generation of this pedigree?, | There are 4 individuals in generation II. |
What is pedigree analysis class 12?
Answer: Pedigree analysis is the study of a particular trait that is inherited from one generation to another. It helps to know the trait of inheritance for a particular trait, and also know whether the trait is actually getting inherited or not.
