Human Genetics Lab

Only available on StudyMode
  • Download(s) : 79
  • Published : February 11, 2013
Open Document
Text Preview
NAME:
Human Genetics Lab Data and Journal Questions
Fill out and post to the discussion board.
Human Phenotypes and Genotypes
|   |   |  |       Check only one:|
| Trait| Your Phenotype| Possible Genotype(s)| Dominant| Recessive| Intermediate| a| Tongue Rolling| Can Not roll Tongue| rr| x|   |   | b| Earlobes| Unattached| EE, Ee| x| | |

c| Hairline| Widow’s Peak| WW, Ww| x|   |   |
d| Freckles| No Freckles| ff| | x| |
e| Eye Shape| Almond| AA, Aa| x|   |   |
f| Eye Color| Blue| bb| | x| |
g| Eyelash Length| Short| ee|   | x|   |
h| Hitchhikers Thumb| No Hitchhikers’ Thumb| bb| | x| | i| Mid-digital Hair| Mid-digital Hair| HH, Hh| x| | | j| Hand Clasping| Hand Clasping| LL or Ll| x| | |
k| Bent Little Finger|   No Bent Little Finger| bb|   | x|   | l| Dimples| No Dimples| dd| | x| |
m| Hair Texture| Curly Hair| HH|   | x|   |
|   | TOTALS|
| Trait| Dominant| Recessive| Intermediate|
a| Tongue Rolling| 5| 1| 0|
b| Earlobes| 3| 3| 0|
c| Hairline| 4| 2| 0|
d| Freckles| 5| 1| 0|
e| Eye Shape| 3| 3| 0|
f| Eye Color| 4| 2| 0|
g| Eyelash Length| 1| 5| 0|
h| Hitchhikers Thumb| 2| 4| 0|
i| Mid-digital Hair| 1| 5| 0|
j| Hand Clasping| 6| 0| 0|
k| Bent Little Finger| 3| 3| 0|
l| Dimples| 2| 4| 0|
m| Hair Texture| 5| 1| 0|
Questions
1. Predict: What three traits will be most common among your classmates? Why have you made this prediction? I predict that the most common traits among my classmates are hand clasping, tongue rolling, and hair texture. I predict this because these traits are the ones I see the most in my life. 2. Review your previous prediction – were you correct? Research one of the traits that you listed in your prediction. Find the percentages of occurrence in a human population– these may be theoretical....
tracking img