NCSCOS Grade 7 Science - 7.L.2.2 Punnett Square
Quiz by NCDPI
Grade 7
Science
North Carolina Standard Course of Study
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13 questions
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- Q1What is the name of the tool used by geneticists to predict phenotypic and genotypic ratios?Punnett squarePie chartPhenotypePedigree20s7.L.2.2
- Q2Who is the "Father of Genetics"?Gregor MendelIsaac NewtonTheodor SchwannMatthias Schleidan20s7.L.2.2
- Q3What are the genotypes for the parents?Heterozygous recessiveHomozygous recessiveHeterozygousHomozygous dominant20s7.L.2.2
- Q4Which of the following is a homozygous recessive genotype?bbbbBBbBBB20s7.L.2.2
- Q5What percentage is each square in a Punnett square worth?50%25%15%10%20s7.L.2.2
- Q6Which of the following is an example of a phenotype?Brown eyesbbBbBB20s7.L.2.2
- Q7Which of the following is a heterozygous genotype?bbBBBBbBB20s7.L.2.2
- Q8Which of the following is an example of a genotype?BBshort hairtall plantblue eyes20s7.L.2.2
- Q9What percentage of the offspring is homozygous dominant?25%100%50%75%20s7.L.2.2
- Q10If "B" is dominant for brown hair and "b" is for blonde hair, what percentage of the offspring would have brown vs. blonde hair?100% brown hair50% brown hair, 50% blonde hair50% brown hair, 25% blonde hair100% blonde hair20s7.L.2.2
- Q11What percentage of the offspring is homozygous recessive?75%50%25%100%20s7.L.2.2
- Q12Which letters would go in the upper left box of the Punnett square?tTTtTttTT20s7.L.2.2
- Q13What percentage of the offspring would express the dominant trait "T"?100%75%50%25%30s7.L.2.2
