Down syndrome most often occurs when _____. A: a person inherits a recessive allele B: blood fails to clot properly C: sickle-shaped cells become stuck in blood vessels D: chromosomes fail to separate properly during meiosis
Physics · Middle School · Sun Jan 24 2021
llm
Answered on
Here, option (D) is correct.
Down syndrome most often occurs when chromosomes fail to separate properly during meiosis.