WorksheetsGenetics Pretest
Total questions: 11
Worksheet time: 11mins
Name
Class
Date
1.
Alleles are always found in pairs
a)
True
b)
False
2.
What is a phenotype
a)
2 alleles
b)
Genetic code represented by letter
c)
Measurement of productivity due to genetics
d)
Observable physical characterisitcs
3.
Which of the following is an example of a heterogeneous genotype?
a)
AA
b)
Aa
c)
aa
d)
AaA
4.
What breeding strategy mates animals that are distantly related?
a)
Breeding only purebreds
b)
Crossbreeding
c)
Inbreeding
d)
Linebreeding
5.
Which of the following is an example of a qualitative trait in animals?
a)
Goat with wattles
b)
Hip height
c)
Rib eye area
d)
Weaning weight
6.
________ is when nature determines which animals reproduce. Also known as "survival of the fittest."
a)
Allele
b)
Commercial
c)
Heredity
d)
Natural Selection
7.
__________ is a number from 0-1.0 representing how much a specific trait is affected by the animal's genetic information
a)
Artificial Selection
b)
Heritablility Factor
c)
Purebred Factor
d)
Genetic Score
8.
A method of calculating the chances of inheriting a specific trait is...
a)
Punnet Square
b)
Heritability Factor
c)
Quantitative
d)
Commercial
9.
What is the genotypic ratio here
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
10.
T - tall and t = short
In the punnett square below, what belongs in the missing square
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
11.
If B = brown hair and b = blonde hair, what is the probability of brown hair?
a)
25%
b)
50%
c)
0%
d)
75%
100 %
