Choose the correct option regarding genetic d | vedclass

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(B) In male honey bees (drones),gametes are produced by mitosis (equational division) because they are haploid $(n)$. $A$: Klinefelter syndrome $(47,

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Gametes are formed by equational division in male honey bees.

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(B) In male honey bees (drones),gametes are produced by mitosis (equational division) because they are haploid $(n)$. $A$: Klinefelter syndrome $(47, XXY)$ is caused by trisomy of sex chromosomes,not monosomy. $C$: Colour blindness is an $X$-linked recessive disorder,meaning it is caused by a defect in sex chromosomes,not autosomes. $D$: Sickle-cell anaemia is caused by a point mutation (substitution of glutamic acid by valine),not a frame-shift mutation.

Choose the correct option regarding genetic disorders and inheritance patterns.

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