Part 3C: Below is data from a pedigree trace of patients affected with mouse model of pancreatic cancer, and below are the observations regarding a new gene called 318 that is found on chromosome 5. Patient II-4 has two copies of loss of function variant alleles (or is homozygous for loss-of-function variant 318 allele). Patient I-2 has one copy of loss of function variant and one copy of unaffected allele (is heterozygous for loss-of-function variant 318 allele). Patient II-1 has two copies of unaffected allele (or is homozygous for unaffected 318 allele). 1-1 1-2 Il-1 Il-2 Il-3 Il-4 Il-5 III-1 III-2 III-3 Based upon data above, what is the mode of inheritance for mouse model for pancreatic cancer? Why?

Human Anatomy & Physiology (11th Edition)
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Part 3C: Below is data from a pedigree trace of patients affected with mouse model of pancreatic
cancer, and below are the observations regarding a new gene called 318 that is found on
chromosome 5.
Patient II-4 has two copies of loss of function variant alleles (or is homozygous for loss-of-function
variant 318 allele).
Patient I-2 has one copy of loss of function variant and one copy of unaffected allele (is
heterozygous for loss-of-function variant 318 allele).
Patient II-1 has two copies of unaffected allele (or is homozygous for unaffected 318 allele).
|-1
1-2
Il-1
Il-2
Il-3
|l-4
II-5
II-1
III-2
III-3
Based upon data above, what is the mode of inheritance for mouse model for pancreatic cancer?
Why?
Transcribed Image Text:Part 3C: Below is data from a pedigree trace of patients affected with mouse model of pancreatic cancer, and below are the observations regarding a new gene called 318 that is found on chromosome 5. Patient II-4 has two copies of loss of function variant alleles (or is homozygous for loss-of-function variant 318 allele). Patient I-2 has one copy of loss of function variant and one copy of unaffected allele (is heterozygous for loss-of-function variant 318 allele). Patient II-1 has two copies of unaffected allele (or is homozygous for unaffected 318 allele). |-1 1-2 Il-1 Il-2 Il-3 |l-4 II-5 II-1 III-2 III-3 Based upon data above, what is the mode of inheritance for mouse model for pancreatic cancer? Why?
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