Two Kinds of Twins · January 2026 Biology Regents cluster

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  ⇱ January 2026 Biology Regents Exam Cluster 2 of 10 →

Two Kinds of Twins is cluster 1 of 10 on the January 2026 Regents Examination in Life Science: Biology (questions 1–5). Each question is shown with its answer key and the performance expectation it assesses.

Question 1 · HS-LS1-8

January 2026 Biology Regents question 1, Two Kinds of Twins cluster
Answer key: January 2026 Biology Regents question 1, Two Kinds of Twins cluster


Question 2 · HS-LS1-4

January 2026 Biology Regents question 2, Two Kinds of Twins cluster
Answer key: January 2026 Biology Regents question 2, Two Kinds of Twins cluster


Question 3 · HS-LS3-2

January 2026 Biology Regents question 3, Two Kinds of Twins cluster
Answer key: January 2026 Biology Regents question 3, Two Kinds of Twins cluster


Question 4 · HS-LS3-1

January 2026 Biology Regents question 4, Two Kinds of Twins cluster
Answer key: January 2026 Biology Regents question 4, Two Kinds of Twins cluster


Question 5 · HS-ETS1-2

January 2026 Biology Regents question 5, Two Kinds of Twins cluster
Answer key: January 2026 Biology Regents question 5, Two Kinds of Twins cluster