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WorksheetsMendelian Genetics
Total questions: 15
Worksheet time: 40mins
Name
Class
Date
1.
Which of the following is heterozygous?
a)
MM
b)
Mm
c)
mm
2.
Which of the following is homozygous dominant?
a)
RR
b)
Rr
c)
rr
3.
Which of the following is homozygous recessive?
a)QQ
b)Qq
c)qq
4.
What term denotes the physical expression of a gene?
a)
genotype
b)
phenotype
c)
appearance
d)
homologous
5.
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
6.
A ________________________ is used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
7.
Heredity is the passing of traits from _____________________ to _____________________
a)
predators to prey
b)
water to rain
c)
parents to offspring
d)
fungi to protists
8.
Which is a true statements about this picture?
a)
Brown is recessive
b)
Brown is dominant
c)
Blue is dominant
d)
Blue is codominant
9.
What is a gene?
a)
An entire chromosome that codes for a trait
b)
a piece of clothing
c)
a piece of a DNA on chromosome that codes for a trait
d)
Chemical messengers in your brain that code for a trait
10.
T1 - What is the cause of some traits "skipping" a generation?
a)
dominant traits
b)
recessive traits
c)
hybrid alleles
d)
homologous chromosomes
11.
T2 - The Law of Segregation explains why, if you start with 46 choromosomes, Meiosis produces cells with how many chromosomes?
a)
44
b)
22
c)
46
d)
23
12.
T2 - Which law states that organisms inherit 2 copies of each gene and donate one to their offspring
a)
law of independent assortment
b)
law of segregation
c)
law of genetic linkage
d)
law of inheritance
13.
T2 - Based on the picture of Mendel's experiment, which of Mendel's Laws could you propose?
a)
Law 1, The Law of Dominance
b)
Law 2, The Law of Segregation
c)
Law 3, The Law of Independent Assortment
d)
Both Law 1 and Law 2
14.
T3 - What is another way of saying "purebred"?
a)
homozygous
b)
dominant
c)
recessive
d)
heterozygous
15.
What is the probability of heterozygous offspring?
a)
25%
b)
50%
c)
0%
d)
100%
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