Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Determine Frequency of Class Data
Below you will find a spreadsheet of the "class" data, use this to complete
data table 2. Remember, the class is a total of 24 students, to calculate
frequency use the genotype with the highest frequency for each
characteristic and divide that number by 24. Don't forget to answer the
question on the bottom of page 107!
Gender
Letters
XY
XX
Sex
Х, Y
11
13
XX
Characteristic
Homozygous Heterozygous Homozygous
Dominant
Genotype
highest
frequency
Recessive
A, a
Eyebrows
Eye Shape
14
Aa
R, r
10
11
3
Rr
Hitchhikers
Н, h
3
15
Hh
Earlobes
D, d
4
8
12
dd
Tongue Roll
Widows Peak F, f
E, e
7
10
7
Ee
4
13
7
Ff
Face Shape
G, g
9.
12
3
Gg
Eye Color
Chin Shape
В, b
5
14
5
Bb
J, j
8
12
4
Jj
Hair Color
K, k
9.
8
7
KK
Hair Texture
L, 1
7
13
4
LI
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Transcribed Image Text:Determine Frequency of Class Data Below you will find a spreadsheet of the "class" data, use this to complete data table 2. Remember, the class is a total of 24 students, to calculate frequency use the genotype with the highest frequency for each characteristic and divide that number by 24. Don't forget to answer the question on the bottom of page 107! Gender Letters XY XX Sex Х, Y 11 13 XX Characteristic Homozygous Heterozygous Homozygous Dominant Genotype highest frequency Recessive A, a Eyebrows Eye Shape 14 Aa R, r 10 11 3 Rr Hitchhikers Н, h 3 15 Hh Earlobes D, d 4 8 12 dd Tongue Roll Widows Peak F, f E, e 7 10 7 Ee 4 13 7 Ff Face Shape G, g 9. 12 3 Gg Eye Color Chin Shape В, b 5 14 5 Bb J, j 8 12 4 Jj Hair Color K, k 9. 8 7 KK Hair Texture L, 1 7 13 4 LI « Previous Next > Dashboard Calendar Тo Do Notifications Inbox
Determine Frequency of Class Data
Frequency can be determined by calculating the number of times each allelic combination was
obtained divided by the total number of times the dice was thrown. For instance, if the class results
for sex determination were seven XX combinations and three XY combinations, the frequency would
be calculated like so:
Frequency XX = 7/10 = 0.70o
Frequency XY = 3/10 = 0.30
Notice that the frequencies always add up to 1. Determine the frequencies for each trait. Use the
highest frequency for each characteristic to determine the traits of an individual created by the entire
class. Record your data in Table 2.
Table 2. Genotypic and Phenotypic Description and Frequencies of Allelic Combinations of an
Individual Created through Rolling of Dice-Class Results.
Highest
Frequency
Characteristic
Genotype
Phenotype
Gender-male or female
Eyebrows-unibrow or two separate
Eye shape-round or almond
Hitchhiker's thumb-yes or no
Earlobes-attached or detached
Tongue roll-yes or no
Widow's peak-yes or no
Face shape-square, round, oval
Eye color-blue, brown, green
Chin shape-square, round, pointed
Hair color-brown, blonde, red
Hair texture-curly, wavy, straight
Look at the results of your first Punnett square for sex determination. You should have come up
with 50% females and 50% males (or a frequency of 0.50 for each sex). How does that compare
1.
to the frequency of males and females generated by the class?
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Transcribed Image Text:Determine Frequency of Class Data Frequency can be determined by calculating the number of times each allelic combination was obtained divided by the total number of times the dice was thrown. For instance, if the class results for sex determination were seven XX combinations and three XY combinations, the frequency would be calculated like so: Frequency XX = 7/10 = 0.70o Frequency XY = 3/10 = 0.30 Notice that the frequencies always add up to 1. Determine the frequencies for each trait. Use the highest frequency for each characteristic to determine the traits of an individual created by the entire class. Record your data in Table 2. Table 2. Genotypic and Phenotypic Description and Frequencies of Allelic Combinations of an Individual Created through Rolling of Dice-Class Results. Highest Frequency Characteristic Genotype Phenotype Gender-male or female Eyebrows-unibrow or two separate Eye shape-round or almond Hitchhiker's thumb-yes or no Earlobes-attached or detached Tongue roll-yes or no Widow's peak-yes or no Face shape-square, round, oval Eye color-blue, brown, green Chin shape-square, round, pointed Hair color-brown, blonde, red Hair texture-curly, wavy, straight Look at the results of your first Punnett square for sex determination. You should have come up with 50% females and 50% males (or a frequency of 0.50 for each sex). How does that compare 1. to the frequency of males and females generated by the class?
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