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Biology-Related Homework Help Genetics and Developmental Biology Topic started by: jaykhaled_ on Jul 29, 2014



Title: A curved “hitchhiker’s thumb” is recessive to a straight thumb. The following pedigree traces
Post by: jaykhaled_ on Jul 29, 2014
Question 12 options:
A curved “hitchhiker’s thumb” is recessive to a straight thumb. The following pedigree traces the presence of hitchhiker’s thumb in a family. Identify the genotypes of all the people shown in the following pedigree chart. Enter genotypes as SS, Ss, ss and uncertain genotypes as S_. 3 marks



I-1 is
I-2 is
II-1 is

II-2 is II-3 is II-4 is
 

III-1 is

 III-2 is III-3 is
IV-1 is

 IV-2 is IV-3 is IV-4 is

Thanks so much everyone. I just really need a good grade in this course as I need to get into university. I greatly appreciate everyone's help from this site.  :)


Title: A curved “hitchhiker’s thumb” is recessive to a straight thumb. The following pedigree traces
Post by: thebiologist on Aug 29, 2014
what are those "IV-1, IV-2, IV-3 and IV-4" ?