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Karyotype 8
Test Description: . This game aims to review Karyotype course for Grade 8 students.
Instructions: Answer all questions to get your test result.
1) The two sister chromatids are joined by:
A
cytoplasm
B
All choices are correct
C
Centromere
D
Centrosome
2) The normal human being karyotype contains :
A
All choices are correct
B
23 pairs of chromosomes
C
44 autosomal and 2 sex chromosomes
D
46 chromosomes
3) The Y sex chromosome:
A
All choices are correct
B
Its presence indicates that the individual is a female
C
Indicates the masculine characteristics
D
Indicate the feminine characteristics
4) A klinfelter individual has:
A
XXY sex chromosomes
B
47chromosomes (all chromosomes)
C
44 autosomal chromosomes
D
All choices are correct
5) The chromosomal formula of a Trisomy 13 girl is:
A
45,XX,-13
B
47,XXY
C
47, XY,+13
D
47,XX,+13
6) A turner syndrome female has:
A
45 chromosomes
B
None of the choices
C
46 chromosomes
D
47 chromosomes
7) Knowing that the number of chromosomes (2n) in a horse is 64, then the value of n is:
A
22
B
32
C
20
D
30
8) The number of chromosomes is represented by 2n since:
A
All choices are correct
B
Half of the chromosomes (n) are paternal and half are maternal
C
All chromosomes are originated from the mother
D
All chromosomes are paternal
9) The normal male human gamete (sperm) contains:
A
22 chromosomes + X or 22 + Y
B
All choices are correct
C
22 chromosomes + XY
D
22 chromosomes + XX
10) The chromosomes of a normal human being:
A
All choices are correct
B
Carry different genes
C
Present in the nucleus of cells
D
Carry the genetic information
*select an answer for all questions
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