Cystic fibrosis pedigree with blank genotypes (autosomal recessive)

An example figure from the Pedigree generator.

A three-generation pedigree titled Cystic fibrosis, with two affected daughters, II-3 and III-4, both born to unaffected parents, and a blank line under each of the 13 people for a genotype — A three-generation pedigree of 13 people. Unaffected parents I-1 and I-2 have an affected daughter, II-3, and a generation later unaffected II-5 and II-6 have an affected daughter, III-4; no one else is affected. Carriers aren’t marked, and a blank line under every person is for students to write the genotype, using F and f.

Edit this figure Download PNG

Editing opens it in Pedigree with these settings, to change anything and copy or download your own.

Answer key

Autosomal recessive inheritance
I-1 Ff, I-2 Ff
II-1 F_, II-2 F_, II-3 ff, II-4 F_, II-5 Ff, II-6 Ff
III-1 F_, III-2 F_, III-3 F_, III-4 ff, III-5 F_

Free to use in your tests, worksheets, slides or anything else. Open source under Apache 2.0. How to reuse our figures

More Pedigree examples

Make your own in Pedigree →