Mendelian Genetics Unit 6 Almost There Quiz

Genetics is the study of: Question #1 Genetics is the study of: a. Evolution b. Heredity c. Taxonomy d. Diseases

Which of the following allele pairs are considered heterozygous: Question #2 Which of the following allele pairs are considered heterozygous: a. GG b. Mm c. bb d. zz

_____ is another term for heterozygous Question #3 _____ is another term for heterozygous a. Pure b. Complicated c. Hybrid d. Homozygous

Which of the following are considered pure? Question #4 Which of the following are considered pure? a. bb b. Tt c. GT d. Ab

Punnett squares: Question #5 a. Predict exactly what the offspring will look like b. Predict what offspring could look like c. Determine the exact ratio of phenotypes d. Determine the exact ratio of genotypes

Which was concluded by Mendel as a result of his genetic research? Question #6 Which was concluded by Mendel as a result of his genetic research? a. Meiosis occurs in two steps b. Polyploidy can be beneficial in agriculture c. Genetics is too complicated to predict d. Factors for different traits are inherited independently of one another

Question #7 a. Law of Segregation b. Law of Probabilities What law states that during gamete formation, genes for different traits separate without influencing each other’s inheritance? a. Law of Segregation b. Law of Probabilities c. Law of Dominance d. Law of Independent Assortment

Question #8 a. Twins b. Gametes c. Hybrid d. Polyploidy If an organism has one or more extra sets of chromosomes, they are considered: a. Twins b. Gametes c. Hybrid d. Polyploidy

Question #9 Two genetically identical plants were crossed. The genotypic ratios of offspring are seen in the Punnett square. How many of the offspring look like the parents? a. 1 b. 2 c. 3 d. 4

Which of the following is a phenotype? Question #10 Which of the following is a phenotype? a. Tt b. tt c. Freckles d. Exercise Routines

Tall is dominant over short. Question #11 Tall is dominant over short. If mom is short and dad is heterozygous tall, what are their genotypes? a. tt for mom and Tt for dad b. Tt for mom and Tt for dad c. TT for mom and TT for dad d. TT for mom and tt for dad

Question #12 If Black is dominant over blonde, what are the possible percentages for each phenotype in this cross? B b a. 25% Black/50% blonde/25% brown b. 75% Black/25% Blonde c. 25% Black/75% Blonde d. 25% BB, 50% Bb, 25% bb B b

Question #13 a. 50% TT and 50% Tt b. 75% Tt and 25% Tt If Tall (T) is dominant over short (t), and a homozygous tall organism crosses with a heterozygous organism, what are the possible phenotypes of the offspring? a. 50% TT and 50% Tt b. 75% Tt and 25% Tt c. 50% Tall and 50% short d. 100% Tall

Question #14 a. 25% b. 50% c. 75% d. 100% RW RW RW RW R R W W A red flower and a white flower reproduce (shown in the punnett square below). Create a punnett square if one of the offspring below self-fertilizes. What percent of the offspring could be red? a. 25% b. 50% c. 75% d. 100% R R W RW RW W RW RW

Brown is dominant over blue Question #15 If a Brown eyed grasshopper (Bb) were crossed with a Brown eyed grasshopper (Bb) what would be the resulting phenotypic ratio? a. 1:3 brown to blue b. 3:1 brown to blue c. 0:1 brown to blue d. 1:2:1 BB to Bb to bb Brown is dominant over blue

The End

Answers! B C A D