Multiple Choice
What do the terms 'gene' and 'allele' have in common?
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12. Meiosis
Genes & Alleles
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Which parent determines the blood type of the child?
A
The parent with the dominant allele determines the child's blood type
B
Only the mother determines the child's blood type
C
Both parents contribute equally to the child's blood type
D
Only the father determines the child's blood type
Verified step by step guidance1
Understand that blood type is determined by the ABO blood group system, which involves alleles A, B, and O.
Recognize that each parent contributes one allele to the child, meaning the child inherits one allele from each parent.
Learn that the combination of alleles from both parents determines the child's blood type. For example, if one parent contributes allele A and the other contributes allele B, the child will have blood type AB.
Realize that alleles A and B are dominant over allele O, which is recessive. Therefore, the presence of A or B will determine the blood type if paired with O.
Conclude that both parents contribute equally to the child's blood type, as each provides one allele that together form the child's genotype.
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