INCOMPLETE DOMINANCE When neither is dominant and they mix.
-
Upload
flora-hunter -
Category
Documents
-
view
224 -
download
2
Transcript of INCOMPLETE DOMINANCE When neither is dominant and they mix.
![Page 1: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/1.jpg)
![Page 2: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/2.jpg)
![Page 3: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/3.jpg)
![Page 4: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/4.jpg)
INCOMPLETE DOMINANCE
When neither is dominant and they mix.
![Page 5: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/5.jpg)
INCOMPLETE DOMINANCE
RR= red WW= white
RW= pink
![Page 6: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/6.jpg)
What happens when you cross a red plant with a white plant?
XWhat are the genotypes?
RR WWXDo the cross!
What are the genotypic and phenotypic rations?
![Page 7: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/7.jpg)
What happens when you cross a pink plant with a pink plant?
RW RWXDo the cross!
What are the genotypic and phenotypic ratios?
![Page 8: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/8.jpg)
![Page 9: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/9.jpg)
CO-DOMINANCE
When both are dominant and they both show.
![Page 10: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/10.jpg)
RED X WHITE
OFFSPRING?
RR = Red WW = white
![Page 11: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/11.jpg)
RW = Red AND White
![Page 12: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/12.jpg)
Roan Coat Cattle
R = brownR’ = white RR’ = brown + white
![Page 13: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/13.jpg)
Sickle Cell Anemia
R = normal R’ = sickle shape
![Page 14: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/14.jpg)
![Page 15: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/15.jpg)
Blood Type
•A•B•AB•O
![Page 16: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/16.jpg)
MULTIPLE ALLELES
GENES AVAILABLE FOR BLOOD TYPE
• A gene• B gene• O is recessive• A and B are
co-dominant
![Page 17: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/17.jpg)
Genes Available:ABo
A AA o
BBBo
AB
oo
![Page 18: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/18.jpg)
Cross a heterozygous A by a heterozygous B individual.
Ao xBoA o
Bo
AB BoAo oo
25 % AB
25 % A25 % B25 % O
![Page 19: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/19.jpg)
![Page 20: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/20.jpg)
SEX-LINKED TRAITS
Genes that are only on the X chromosome.
![Page 21: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/21.jpg)
![Page 22: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/22.jpg)
![Page 23: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/23.jpg)
Colorblindness is sex-linked.
![Page 24: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/24.jpg)
![Page 25: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/25.jpg)
![Page 26: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/26.jpg)
![Page 27: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/27.jpg)
Gene is located ONLY on the X chromosome.
XN = normalXn = disorder
XN Xn Normal carrier female
Xn Xn
XN Y
Xn Y
Diseased femaleNormal MaleDiseased Male
Normal femaleXN XN
![Page 28: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/28.jpg)
Cross a colorblind male by a carrier female.
![Page 29: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/29.jpg)
Cross a normal male by a carrier female.
![Page 30: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/30.jpg)
What is the difference between a genetic disorder and an infectious disease?
Genetic Disorders• Colorblindness• Hemophilia• Down’s Syndrome• Sickle Cell Anemia
Infectious Diseases•Food poisoning•HIV•SARS•Athlete's Foot•Malaria•Lyme Disease
![Page 31: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/31.jpg)
What can you do about Genetic Disorders?
Inherited, not too much.Treatment vs. PreventionLorenzo?
Methemoglobinemia
![Page 32: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/32.jpg)
What can you do about Infectious Diseases?
Prevention: Vaccines
![Page 33: INCOMPLETE DOMINANCE When neither is dominant and they mix.](https://reader035.fdocuments.in/reader035/viewer/2022062423/56649f435503460f94c63fce/html5/thumbnails/33.jpg)
What can you do about Infectious Diseases?
Treatment: Antibiotics for bacterial infections
What about Viruses?
Antibiotics don’t work on viruses.