Question ooklet
Tutor:
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GENETICS 214 FLASH CLASS
HOW TO USE CALCULATOR FOR STATISTICS (CASIO fx-991ZA PLUS)
INPUT THE DATA:
1. Mode/Setup
2. STAT (3)
3. 1 -VAR (1)
4. Input data into table
a. X column represents actual values (phenotype)
b. FREQ column represents number of individuals with that value
5. AC
FIND THE SUM (∑ Xi) OF VALUES:
1. SHIFT then STAT/DIST (1)
2. Sum (3)
3. ∑ 𝐱 (2)
4. =
FIND NUMBER OF INDIVIDUALS, MEAN, STANDARD DEVIATION AND VARIANCE:
1. SHIFT then STAT/DIST (1)
2. Var (4)
̅ (2) gives the mean, sx (4) gives the
In this menu, n (1) gives the total number of individuals, 𝑿
standard deviation. Thus, to get the variance, square the standard deviation.
TO GET CALCULATOR BACK TO NORMAL:
1. Mode/Setup
2. COMP (1)
QUESTION 1
Most behavioural traits are affected by many different genetic influences as well as environment. The best
descriptor for such traits is:
Select one:
a. Recessive
b. Highly heritable
c. Codominant
d. Polygenic
e. Mendelian
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, NOT FOR RESALE
COPYRIGHTS RESERVED
QUESTION 2
What is true with regards to an inbred line?
Select one:
a. Vg = 0
b. Vp = 1
c. Ve = 0
d. Vp = 0
e. Vg = 1
QUESTION 3
Narrow-sense heritability is a measurement that estimates the proportion of...
↳
Select one:
a. phenotypic variation in an individual that can be attributed to genes
b. phenotypic variation in a group that can be attributed to the environment
not C
c. additive genetic variation in a group that can be attributed to phenotype Why
because phenotypic
d. genetic variation in an individual that contributes to the phenotype variance that comes
e. phenotypic variation in a group that can be attributed to additive genetic variation from additive
variation
QUESTION 4
Why would the response to selection decrease over generations in a selective breeding programme?
-
Select one or more: R =
his = m2 -
M
a. The environment does not remain constant
b. Heritability in the narrow-sense increases as the breeding programme continues
c. None of the mentioned statements are correct
→ measure of improvement of certain
genes
d. The selection differential will become infinitely large
(
e. As the breeding programme continues, the genetic variation will decrease
d
? what happens to selection differential will T
h '
=
.
'
.
depends if selection differential
improves individual
Page 2 of 11 Need tutoring? Check out https://onyxeducate.com/stellies-flash
Tutor:
Need tutoring? Check out https://onyxeducate.com/stellies-flash
, NOT FOR RESALE
COPYRIGHTS RESERVED
GENETICS 214 FLASH CLASS
HOW TO USE CALCULATOR FOR STATISTICS (CASIO fx-991ZA PLUS)
INPUT THE DATA:
1. Mode/Setup
2. STAT (3)
3. 1 -VAR (1)
4. Input data into table
a. X column represents actual values (phenotype)
b. FREQ column represents number of individuals with that value
5. AC
FIND THE SUM (∑ Xi) OF VALUES:
1. SHIFT then STAT/DIST (1)
2. Sum (3)
3. ∑ 𝐱 (2)
4. =
FIND NUMBER OF INDIVIDUALS, MEAN, STANDARD DEVIATION AND VARIANCE:
1. SHIFT then STAT/DIST (1)
2. Var (4)
̅ (2) gives the mean, sx (4) gives the
In this menu, n (1) gives the total number of individuals, 𝑿
standard deviation. Thus, to get the variance, square the standard deviation.
TO GET CALCULATOR BACK TO NORMAL:
1. Mode/Setup
2. COMP (1)
QUESTION 1
Most behavioural traits are affected by many different genetic influences as well as environment. The best
descriptor for such traits is:
Select one:
a. Recessive
b. Highly heritable
c. Codominant
d. Polygenic
e. Mendelian
Page 1 of 11 Need tutoring? Check out https://onyxeducate.com/stellies-flash
, NOT FOR RESALE
COPYRIGHTS RESERVED
QUESTION 2
What is true with regards to an inbred line?
Select one:
a. Vg = 0
b. Vp = 1
c. Ve = 0
d. Vp = 0
e. Vg = 1
QUESTION 3
Narrow-sense heritability is a measurement that estimates the proportion of...
↳
Select one:
a. phenotypic variation in an individual that can be attributed to genes
b. phenotypic variation in a group that can be attributed to the environment
not C
c. additive genetic variation in a group that can be attributed to phenotype Why
because phenotypic
d. genetic variation in an individual that contributes to the phenotype variance that comes
e. phenotypic variation in a group that can be attributed to additive genetic variation from additive
variation
QUESTION 4
Why would the response to selection decrease over generations in a selective breeding programme?
-
Select one or more: R =
his = m2 -
M
a. The environment does not remain constant
b. Heritability in the narrow-sense increases as the breeding programme continues
c. None of the mentioned statements are correct
→ measure of improvement of certain
genes
d. The selection differential will become infinitely large
(
e. As the breeding programme continues, the genetic variation will decrease
d
? what happens to selection differential will T
h '
=
.
'
.
depends if selection differential
improves individual
Page 2 of 11 Need tutoring? Check out https://onyxeducate.com/stellies-flash
