VUBio110BSp'08-SampleExam3

VUBio110BSp'08-SampleExam3 - Name Score Multiple Choice....

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Name Score Multiple Choice. #1-23. Mark the letter of the best answer to each of the following questions on the scantron sheet. Read the question and each choice carefully before making your selection. Erase changes completely and indicate your final choice clearly. Answers on the printed exam will not be considered. (3 pts. each) 1. Which of the following concepts is not attributable to Mendel? a. one trait may be dominant to another trait for the same character b. chromosomes are the carriers of the genes c. genetic traits are particulate in nature d. the alternate alleles for a trait separate from each other during gamete formation 2. Which of the following pairs represents a reciprocal cross? a. large purple flowers x small white flowers small purple flowers x large white flowers b. true-breeding parent x true-breeding parent heterozygous parent x heterozygous parent c. Aa x aa Bb x bb d. Red-flowered female x white-flowered male Red-flowered male x white-flowered female 3. A single gene locus exhibits 4 different alleles in the population. How many different genotypes can possibly occur at this single locus in the population? a. 8 b. 10 c. 16 d. 32 e. 64 4. The wild-type phenotype refers to a. the phenotype expressed by the dominant allele b. the phenotype expressed by the recessive allele c. the phenotype that most commonly occurs in nature d. the phenotype that has the longest survival 5. A variegated Anthurium plant is found by a foliage breeder. The breeder crosses this plant with a normal all-green Anthurium and all the F 1 individuals are variegated. The F 2 generation exhibits 3 variegated :1 green. The mutant variegated trait is a. dominant to green and controlled by two independent alleles b. incompletely dominant to green and controlled by a single gene c. recessive to green and controlled by a single gene d. dominant to green and controlled by a single gene e. more crosses must be made to determine the mode of inheritance
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Name 6. In horses, the Palomino color is the result of incomplete dominance at the C locus. The homozygous C 1 C 1 is albino and the homozygous C 2 C 2 is chestnut. What phenotypic ratio would be expected from the mating of two Palomino horses? a. 9:3:3:1 b. 3:1 c. 1:2:1 d. 1:1 e. all Palomino 7. Consider the cross AaBb x AaBb. If trait A exhibits complete dominance and trait B exhibits co-dominance, what phenotypic ratio is expected in the offspring? a.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/07/2008 for the course BSCI 110B taught by Professor Due during the Spring '08 term at Vanderbilt.

Page1 / 8

VUBio110BSp'08-SampleExam3 - Name Score Multiple Choice....

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online