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WorksheetsIt's all genetic!
Total questions: 14
Worksheet time: 4hrs 30mins
Name
Class
Date
1.
Which is a homozygous recessive genotype?
a)
DD
b)
Dd
c)
Bb
d)
bb
2.
If a baby goat receives a dominant curly hair allele from its mother and a recessive straight hair allele from its father, which phenotype (physical trait) will be expressed?
a)
curly hair
b)
straight hair
c)
not enough information to know
3.
The physical appearance of an organism based on traits
a)
Genotype
b)
Phenotype
c)
Meiosis
d)
Genetics
4.
Hair colour is an example of
a)
genotype
b)
phenotype
5.
Which of the following is heterozygous
a)
FF
b)
tt
c)
Gg
d)
RR
6.
Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's phenotype?
a)
Brown Hair
b)
Blonde Hair
c)
Brown and Blonde Hair
d)
Black Hair
7.
What kind of cells are made in MEIOSIS?
a)
Haploid Gametes
b)
Diploid Somatic Cells
c)
Skin Cells
d)
Liver Cells
8.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
9.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
10.
AA and Aa always show up as
a)
dominant
b)
recessive
11.
What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?
a)
0 in 4
b)
1 in 4
c)
2 in 4
d)
4 in 4
12.
What is the phenotype of the offspring? (A-Brown hair; a-blond hair)
a)
50 % Brown Hair and 50% Blond Hair
b)
25 % Brown Hair and 75% Blond Hair
c)
75 % Brown Hair and 25% Blond Hair
d)
0% Brown Hair and 100% Blond Hair
13.
The diploid number of human chromosomes is
a)
23
b)
46
c)
92
14.
a photograph or picture of chromosomes grouped in ordered pairs is a ______________
a)
pedigree
b)
Punnett Square
c)
Venn Diagram
d)
Karyotype
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