Question

Hello guys!


what do you mean by Pedigree analysis ??
write the procedure to do it ! ​

Answer 1

Answer:

hey!

Explanation:

The study of an inherited trait in a group of related individuals to determine the pattern and characteristics of the trait, including its mode of inheritance, age of onset, and phenotypic variability.

Reading a pedigree

1,Determine whether the trait is dominant or recessive. If the trait is dominant, one of the parents must have the trait. ...

2,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.

Answer 2

Answer:

A pedigree is a diagram that depicts the biological relationships between an organism and its ancestors. A pedigree is used for different animals, such as humans, dogs, and horses. Often, it is used to look at the transmission of genetic disorders.

Procedure for Pedigree analysis :

• Select a family with anyone of the monogenic traits like rolling of tongue, blood groups, ear lobes, widow’s peak, and colour blindness.
• Ask the person exhibiting the trait as to who in his/ her family has the trait in question.
• Prepare a pedigree chart on the basis of the information collected, using appropriate symbols.
• Examine the pedigree chart carefully to find out whether the disease is autosomal recessive, autosomal dominant, X-linked dominant or recessive, and Y-linked dominant or recessive.

Explanation:

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