BBB BW prenotype 1:2:1 1BB: 2 BW: 1 WW W/BW W/BW WW 1 Black 2 Bluck + I white : Feathers white Feather Feathers 2. Tim and Stephanie are devastated when they find out their newborn son has hemophilia - a sex-linked recessive disease. Tim is shocked becaused he doesn't have hemophilia, and figures if his son has it he would have gotten it from him. Is Tim correct in his thinking? Explain. Also explain what their genotypes must be in order for neither of them to have the disease but have a son who does. H Y H H X X X X Y th H h X XXX" x^"Y 3. Tim and Stephanie (from + Father (Tim): +s Y No. Tim itter Stephanie: хн xHx" +s pave the which is not a Carrier For the discrete nire provide the x warto make a bay which is a compile for diseases. #2) are pregnant again! This time with a baby girl. They are nervous that she too may get hemophilia. Based on what you know about Tim and Stephanie, what is the probability that they do have a daughter with the disease? Show a Punnett square to support your answer. XM хнянхну 0% daughters will have hemophilia ts X" xH x XX XY 4. Incomplete In her tale In carnations, red and white flowers make pink flowers. What complex inheritance pattern is this? Also, create a Punnett square for a cross between a red flower and a pink flower. Then list the phenotypic and genotypic ratios of the offspring. R WBW Wr w Bw wr Pheno ratio: 2:2:2:2 Leno ratio: 1BW: 1 Wr: 1BW: 1wr Heredity Unit It's Not Rocket Science 2020 26

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble