WorksheetsUnit 5 Genetics
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Trisomy 13 is a genetic disorder caused by receiving an extra chromosome in in the 13th chromosomes?
a)
True
b)
False
2.
How is a genetic disorder caused?
a)
By contracting a disese
b)
having 46 chromosomes
c)
when you have an more or less chromosomes than needed ad if the chromosome has a defect
d)
they can not be causesd
3.
If dad has O blood and mom has AB blood can their child have A blood?
a)
Yes
b)
NO
4.
What is a genotype?
a)
A letter
b)
The physical trait
c)
Blue eyes
d)
The actual alleles inherited on the chromosomes
5.
What is a phenotype?
a)
Ss
b)
The physical trait
c)
The actual alleles inherited on the chromosomes
d)
Hybrid
6.
Heterozygous also means
a)
Hybrid
b)
Genotype
c)
Pure breed
d)
phenotype
7.
Karyotype means nucleus?
a)
True
b)
False
8.
What are the two types of sex chromosomes?
a)
A and B
b)
X and Y
c)
Y and Q
d)
X and K
9.
The 23rd chromosomes determine
the sex of a baby?
the sex of a baby?
a)
Tue
b)
False
10.
Karyotypes do no determine the sex?
a)
True
b)
False
11.
What are the three blood types?
a)
A,B,O
b)
A,B,C
c)
O,A,M
d)
H,K,L
12.
How many chromosomes does a person have?
a)
45
b)
48
c)
46
d)
50
13.
What two blood types are co-dominant?
a)
O,A
b)
B,E
c)
A,H
d)
A,B
14.
What does homozygous mean?
a)
Pure breed
b)
hybrid
c)
AB
d)
O
15.
Dominant alleles hide recessive alleles?
a)
True
b)
False
16.
What blood type is recessive?
a)
A
b)
AB
c)
B
d)
O
17.
How many ways are there to describe genotype
a)
1
b)
2
c)
3
d)
4
18.
If the blue bird and yellow bird are co-dominant what color would their offspring be?
a)
Orange
b)
Yellow
c)
Blue
d)
Green
19.
What does this image show?
a)
complete dominance
b)
incomplete dominance
c)
recessive
d)
dominant
20.
What does this image show?
a)
incomplete dominance
b)
recessive
c)
complete dominanace
d)
dominant
100 %
