Question

a child is born with down syndrome what will be the genetic makeup of this child
A 45 autosomes and X sex chromosomes
B 44 autosomes and XYY sex chromosomes
C 45 autosomes and XY sex chromosomes
D 45 autosomes and X sex chromosomes

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Answer 1

Answer:

CORRECT OPTION IS C. 45 AUTOSOMES AND XY SEX CHROMOSOMES

Explanation:

HOPE IT HELPS...... MARK AS BRAINLIEST..........

Answer 2

Answer:

option (c)

Explanation:

• Down's syndrome is due to trisomy of 21st chromosome which is an autosome.
• The genetic makeup of the child will be 45 autosomes and 1 pair of allosomes.
• If child is male, then set of allosomes will be XY.
• The affected individual is short statured with small round face, furrowed tongue and partially open mouth,palm is broad with characteristic palm crease.
• Mental, physical development is retarded.