Block 1: Describe the variation that leads to lactose tolerance by Wendy Perkins https://padlet.com/perkins2/hrw7edsrl4s Made with the strength to succeed en-us 2017-03-30 14:06:22 UTC 2026-01-22 21:31:36 UTC hello@padlet.com Julia, Kelsey, Kristin, Madi https://padlet.com/perkins2/hrw7edsrl4s/wish/163712525 Lactose intolerant must be homozygous recessive. Lactose intolerant can either be heterozygous or homozygous dominant. ]]> 2017-03-30 14:11:07 UTC https://padlet.com/perkins2/hrw7edsrl4s/wish/163712525 Quincy, Kaia https://padlet.com/perkins2/hrw7edsrl4s/wish/163712529 Those who are lactose tolerant have a T instead of a C at the 14th nucleotide. All lactose tolerant individuals have one T]]> 2017-03-30 14:11:07 UTC https://padlet.com/perkins2/hrw7edsrl4s/wish/163712529 Stuart sk1063456 https://padlet.com/perkins2/hrw7edsrl4s/wish/163712772 The presence of Thymine instead of Cytosine in the DNA sequence because, as shown by the pedigrees, all lactose tolerant individuals have at least one chromosome where the is a T in position 14 of the DNA sequence 1, in intolerant individuals both chromosomes don't have T's in place of C's, and no other base is found in only lactose tolerant DNA sequences, unlike A, for example, which is present in both intolerant and tolerant cases.]]> 2017-03-30 14:11:45 UTC https://padlet.com/perkins2/hrw7edsrl4s/wish/163712772