Which Of The Following Information Can Be Determined From Examining A Pedigree Diagram For Trait P

If the trait is dominant th e n individuals with the trait will have their shapes coloured in if the trait is recessive th e n individuals with the trait will have unshaded circles or squares. The pedigree on the right depicts a recessive trait.

Analysis Of The Genetic Diversity And Population Structure

Blackened symbols represent people with dimples.

Which of the following information can be determined from examining a pedigree diagram for trait p. Pedigree 1 traces the dimples trait through three generations of a family. A pedigree chart determine if the pedigree chart shows an autosomal or x linked disease. The male is homozygous and the female is homozygous.

You can only upload a photo png jpg jpeg or a video 3gp 3gpp mp4 mov avi mpg mpeg rm. Therefore we can tell from the chart that in the couple labeled 2. In the information given usually in a title determine if the trait being discussed is dominant or recessive.

The allele for the presence of a white forelock is dominant. P dominant and p recessive. This is a dominant trait.

The male is heterozygous and the female is homozygous b. If the trait is dominant then the father in i is heterozygous for the trait. Dominant inheritance can explain this pedigree.

It explains how to find a pedigree based on characteristics with examples as. The trait in pedigree in figure 14 5 has two alleles. The male is homozygous and the female is heterozygous c.

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Affected people inherit a dominant allele from the affected parent. For example lets say. Recessive inheritance can explain this pedigree.

The black symbols show the dominant phenotype and the white symbols show the recessive phenotype. You will probably find a better explanation that what im going to attempt. This is a recessive trait.

In this genetics and genomics science project you will create pedigrees for four human physical traits to determine which phenotypes are dominant and which are recessive. Dominant or recessive inheritance can explain this pedigree. If you do a pedigree and represent all of your family members you will be able to see if a trait is dominant pretty easily most of the time.

If most of the males in the pedigree are affected then the disorder is x linked if it is a 5050 ratio between men and women the disorder is autosomal. This is hard to do without showing so first i would recommend searching for pedigrees online and finding some pictures to go along with. The pedigree on the left is an example of a dominant trait in this family.

Pedigree analysis by suman bhattacharjee this lecture explains about the different rules of pedigree analysis. Circles represent females and squares represent males. You can only upload photos smaller than 5 mb.

Examine the pedigree in figure 14 3. From this information along with an understanding of inheritance genotypes of individuals can often be determined. Affected people inherit a recessive allele from each parent.

Identity By Descent Wikipedia