Chinese scientists clone gene-edited monkeys

Scientists used CRISPR-Cas9 to edit the BMAL1 gene in monkey embryos, leading to circadian disorders. They then used somatic cell nuclear transfer to clone these monkeys, resulting in 5 live births. All cloned monkeys exhibited symptoms like reduced sleep and increased anxiety.

What role does the BMAL1 gene play in the circadian rhythm of the monkeys?

Describe the process used after taking a fibroblast from the gene-edited monkey.