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Karyotype8-9
Test Description: Students must know the number of chromosomes present in their cells and its importance. This game aims to review some points of the course for Grade 8 students.
Instructions: Answer all questions to get your test result.
1) The normal human karyotype contains:
A
23 chromosomes
B
46 chromosomes
C
44 chromosomes
D
None of the choices
2) Indicate the origin of each chromosome present in each pair.
A
All choices are correct
B
Both are maternal origin
C
One maternal and one paternal
D
Both are from the father (paternal)
3) Indicate the number of autosomal chromosomes in a normal human karyotype
A
22 chromosomes
B
23 chromosomes
C
46 chromosomes
D
44 chromosomes
4) The presence of two homologous sex chromosomes (XX) means that the individual is a
A
Abnormal male
B
normal male
C
Abnormal female
D
normal female
5) The presence of Y sex chromosome means that the sex of the individual is:
A
Female
B
Male
C
None of the choices
D
male with feminine characteristics
6) The number of chromosomes in the karyotypes of two normal brothers is the same, since:
A
Both are for normal humans
B
same species have same number of chromosomes
C
normal humans has the same number of chromosomes
D
All choices are correct
7) A normal man has:
A
None of the choices
B
One X sex chromosome and one Y sex chromosome
C
Two Y sex chromosomes
D
Two X sex chomosomes
8) Abnormal human karyotype may have:
A
extra autosomal chromosome(s)
B
extra sex chromosome(s)
C
missing a chromosome(s)
D
All choices are correct
9) The chromosomes are found in the:
A
All choices are correct
B
outside the nucleus of the cells
C
nucleus of the cells
D
cytoplasm of the cells
10) The chromosomes of normal human beings:
A
All choices are correct
B
may have two sister chromatids
C
transfer the genetic hereditary traits to the fetus
D
carry the genetic informations
*select an answer for all questions
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