question 27

a mother is ror and a father is r1r1. which of the following is a possible genotype of the offspring?

rorz
r1r2
ryry
r1r

Question

question 27

a mother is ror and a father is r1r1. which of the following is a possible genotype of the offspring?

rorz
r1r2
ryry
r1r

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "tutor", "mastery_adaptive_brevity" ], "needs_drawing": false, "concepts_used": [ "Wiener Nomenclature", "Rh Blood Group System" ], "new_concepts": [], "current_concepts": [ "Wiener Nomenclature", "Rh Blood Group System", "Rh Genotype Frequencies" ] } ## Identify parental haplotypes Using the *Wiener Nomenclature* and *Rh Blood Group System* knowledge points $$ \begin{aligned} &\text{Mother's genotype: } R_0r \implies \text{Haplotypes: } R_0 \text{ and } r\ &\text{Father's genotype: } R_1R_1 \implies \text{Haplotypes: } R_1 \text{ only} \end{aligned} $$ ## Determine offspring genotypes Using the *Rh Blood Group System* knowledge point $$ \begin{aligned} &\text{Combination 1: } R_1 \text{ (father)} \times R_0 \text{ (mother)} \implies R_1R_0\ &\text{Combination 2: } R_1 \text{ (father)} \times r \text{ (mother)} \implies R_1r \end{aligned} $$ ## Evaluate the given options Using the *Wiener Nomenclature* knowledge point $$ \begin{aligned} &\text{Option 1: } R_0R_z \quad (\text{Incorrect, requires } R_z \text{ or } R_0 \text{ from father})\ &\text{Option 2: } R_1R_2 \quad (\text{Incorrect, requires } R_2 \text{ from mother})\ &\text{Option 3: } r'r' \quad (\text{Incorrect, requires } r' \text{ from both parents})\ &\text{Option 4: } R_1r \quad (\text{Correct, matches Combination 2}) \end{aligned} $$

(A) R0Rz

(B) R1R2

(C) r'r'

(D) R1r

{ "subject": "Natural Science", "question_type": "Multiple Choice", "knowledge_point": [ "Natural Science", "Medicine", "Immunohematology" ] }

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Question

Explanation:

Identify parental haplotypes

Determine offspring genotypes

Evaluate the given options

Answer: