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Questions tagged [genetic-diagrams]

Questions regarding the expression of genetic inheritance in the form of diagrams, including but not limited to questions about drawing and interpreting Punnett Squares, Pedigree Diagrams and genetic cross diagrams. Please include images where possible.

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Is there a name for this type of diagram?

Is there any commonly used name for this type of diagram / symbology? I have not been able to find them referred to by any name.
tsj's user avatar
  • 151
2 votes
1 answer
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How to recognise the type of allele by pedigree analysis diagrams? [closed]

It was said that this interference pattern is due to dominant allele. I fail to see that. In general how to recognise the type of allele by pedigree analysis diagrams?
mathemather's user avatar
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1 answer
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A diagram of a crossover [closed]

How can one draw a crossover between ABK and aBk where genes A and B follow the Mendel's law of independent assortment and gene K does not i.e. K is linked to B?
Anonymous196's user avatar
3 votes
2 answers
3k views

Assessing probability from a pedigree

This isn't exactly homework but I'd like to treat it as such. I'm asked to find the probability that both (III: 2) and (III: 3) are carriers given that (II: 7) and (III: 1) exhibited the recessive ...
user170231's user avatar
7 votes
1 answer
150 views

is it possible to completely reconstruct a family tree by DNA comparison alone?

Having DNA samples of all or almost all members of a population of, say, a few hundred or thousand individuals, is it possible to draw the entire family tree of those individuals? (Let's not assume ...
giorgian's user avatar
  • 183
7 votes
1 answer
45k views

Pedigree Probability of Autosomal Recessive Trait

Here is a pedigree: The trait is autosomal recessive. The question is: What is the probability that the bottom 2 people (4 and 5) have a child with the trait? I tried doing ...
Kirby's user avatar
  • 1,319
5 votes
1 answer
1k views

Genetic carrier Pedigree of Recessive Traits

A human male and female couple with normal colored ears discover that, in both of their families, their fathers (who have normal ears) each had siblings with red ears. Red ears is a rare autosomal ...
Kirby's user avatar
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