quiz 1

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University of Texas, Rio Grande Valley *

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Course

2401-02

Subject

Biology

Date

Dec 6, 2023

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pdf

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8

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BICD100_WI23_A00 Quiz 1 Mohamad Rayshouny TOTAL POINTS 13 / 20 QUESTION 1 1 Q1 2 / 2 + 0.5 pts Correct Parent genotype and gametes + 0.5 pts Correct punnett square + 1 pts 12:3:1 phenotype ratio shown + 0 pts Incorrect or missing QUESTION 2 2 Q2 1 / 1 - 0 pts White - 1 pts Incorrect or missing QUESTION 3 3 Q3 2 / 2 + 1 pts Yes + 1 pts heterozygous for MC1R would generate a 3:1 black/brown assuming homozygous recessive for KIT + 0 pts Incorrect or missing QUESTION 4 4 Q4 1 / 1 - 0 pts Dominant Epistasis - 1 pts Incorrect or missing QUESTION 5 5 Q5 2.5 / 3 + 0.5 pts Primary Oocyte + 0.5 pts Meiosis 1 + 0.5 pts Meiosis 2 + 0.5 pts Primary Oocyte Nondisjunction + 0.5 pts Meiosis 1 Nondisjunction + 0.5 pts Meiosis 2 Nondisjunction + 0 pts All incorrect or missing Homologous chromosomes are separated during meiosis I. QUESTION 6 6 Q6 0.5 / 3 + 0.5 pts A: 2 and 0 + 0.5 pts B: 1 + 0.5 pts C: 2 + 0.5 pts D: 2 + 0.5 pts E: 1 and 0 + 0.5 pts F: 2 and 1 and 0 + 0 pts All missing or incorrect QUESTION 7 7 Q7 0 / 2 + 1 pts No difference + 1 pts Sufficient explanation + 0 pts Insufficient explanation + 0 pts missing or incorrect QUESTION 8 8 Q8 1 / 1
+ 1 pts Translocation - 1 pts Incorrect or missing QUESTION 9 9 Q9 2 / 2 + 1 pts Not surprising + 1 pts the translocation was balanced (symmetrical) so the individual still has two functioning copies of each gene. + 0 pts Incorrect or missing QUESTION 10 10 Q10 1 / 3 + 1 pts Some of the mothers gametes will have extra copies of certain genes and missing others. + 1 pts After fertilization, this will lead to an individual trisomic for some chromosomes and monosomic for others (Likely a lethal outcome in humans) + 1 pts 1/4 gametes with no chromosomal aberration. + 0 pts Incorrect or missing Page 2
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