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The presence of two homologous sex chromosomes (XX) and 44 autosomes means that the individual is a
46 chromosomes
One maternal and one paternal
all choices are correct
47,XY,+21
normal female
22 pairs
male
All choices are correct
Individuals having XXY sex chromosomes are:
46 chromosomes
One maternal and one paternal
all choices are correct
47,XY,+21
normal female
22 pairs
male
All choices are correct
The number of chromosomes in the karyotypes of two normal brothers is the same, since:
46 chromosomes
One maternal and one paternal
all choices are correct
47,XY,+21
normal female
22 pairs
male
All choices are correct
Indicate the number of pairs of autosomal chromosomes in a normal human karyotype
46 chromosomes
One maternal and one paternal
all choices are correct
47,XY,+21
normal female
22 pairs
male
All choices are correct
The normal human karyotype contains:
46 chromosomes
One maternal and one paternal
all choices are correct
47,XY,+21
normal female
22 pairs
male
All choices are correct
The chromosomal formula of a Trisomy 21 boy is:
46 chromosomes
One maternal and one paternal
all choices are correct
47,XY,+21
normal female
22 pairs
male
All choices are correct
Indicate the origin of each chromosome present in each pair.
46 chromosomes
One maternal and one paternal
all choices are correct
47,XY,+21
normal female
22 pairs
male
All choices are correct
The presence of Y sex chromosome means that the sex of the individual is:
46 chromosomes
One maternal and one paternal
all choices are correct
47,XY,+21
normal female
22 pairs
male
All choices are correct
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