Dictionary » P » Pedigree

Pedigree

Definition

noun

(1) An ancestral line or chart depicting the lineage or descent of an individual.

(2) (genetics) A diagram showing the lineage or genealogy of an individual and all the direct ancestors, usually to analyze or follow the inheritance of trait.

adjective

(1) purebred.


Supplement

A pedigree can be used to determine the Mendelian inheritance of a genetic trait, especially familial diseases, across several generations of a family.


Word origin: From Anglo-French pe de gru, a variant of Old French pied de gru (“‘foot of a crane’”), from Latin pedem (“‘foot’”) + gruem (“‘crane’”).

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Genetics Pedigree Help Required

Based on the information in the pedigree of Family B, is inheritance of this hearing loss trait consistent with an autosomal dominant or autosomal recessive pattern? (Tip: assume autosomal dominant and assign genotypes of affected and unaffected ...

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by TheBell
Fri Mar 21, 2014 8:49 pm
 
Forum: Genetics
Topic: Genetics Pedigree Help Required
Replies: 0
Views: 29

Pedigree Analysis Question

http://s837.photobucket.com/user/apothemnew/media/newthing_zps81aca40c.jpg.html I need help with this pedigree diagram above (please visit photobucket link above to view) For the first part, i need to find the genotypes using the blanks provided. 2) Afterwards, if A&B ...

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by ApothemCyte
Sat Jan 18, 2014 8:44 pm
 
Forum: Genetics
Topic: Pedigree Analysis Question
Replies: 0
Views: 365

Which mountain range was formed first (historically)?

... Source 1 shows a map of a particular area. In this map you will find the mountain ranges 1 and 2, the species P, Q and R. Two possible pedigrees of the ancestral history of the species P, Q and R are drawn . Which mountain range was formed first (historically) and which pedigree is ...

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by DarMick
Tue Nov 05, 2013 4:27 pm
 
Forum: Evolution
Topic: Which mountain range was formed first (historically)?
Replies: 1
Views: 605

Pedigree Analysis

... too (single X chromosome). 2. Thus, it's an autosomal (see above) recessive (since neither parent affected, it cannot be dominant). Tip: in pedigree analysis you must identify what it cannot possibly be and then you will be left with only possibility.

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by Cat
Sun Apr 28, 2013 3:09 pm
 
Forum: Genetics
Topic: Pedigree Analysis
Replies: 1
Views: 2454

Pedigree Analysis

I want to know if I have this correct because I am confused. I think this is x-linked recessive is that right :?: since it can fall into this category 1.Usually more males than females are affected. 2. Affected sons are usually born to unaffected mothers; thus, the trait skips generations. 3. Approx...

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by chapsticks4
Tue Feb 26, 2013 7:06 pm
 
Forum: Genetics
Topic: Pedigree Analysis
Replies: 1
Views: 2454
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