Answered

Sickle cell disease is caused by a:



Achange in one allele.

Bchange in the size of a chromosome.

Cchange in two proteins.

Dchange in the number of chromosomes in a cell.

Verified Answer :

Thegoodbrother

sickle cell disease trait is passed on when one parent has a change in the a gene. when no the parents have a Chan g rd in the a gene then the chances of getting sickle cell disease is greater

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