Chapter 15 - Inheritance

Inheritance

Quiz

 

1. • Who is known as the father of genetics?
   1.   Charles Darwin
   2.   Gregor Mendel
   3.   James Watson
   4.   Francis Crick
2. • What is a gene?
   1.   A type of protein
   2.   A segment of DNA that codes for a specific trait
   3.   A structure in the cytoplasm
   4.   A type of carbohydrate
3. • What are alternative forms of a gene called?
   1.   Chromosomes
   2.   Loci
   3.   Alleles
   4.   Gametes
4. Which of the following represents a homozygous genotype?
   1.   Aa
   2.   AB
   3.   AA
   4.   Ab
5. Which of the following represents a heterozygous genotype?
   1.   AA
   2.   AB
   3.   AA
   4.   Aa
6. What is the physical expression of a gene called?
   1.   Genotype
   2.   Phenotype
   3.   Allele
   4.   Chromosome
7. What is the purpose of a Punnett square?
   1.   To determine the sequence of DNA
   2.   To predict the outcome of a genetic cross
   3.   To identify the structure of proteins
   4.   To analyze the cell cycle
8. If a trait is dominant, it will be expressed if the organism has:
   1.   One copy of the allele
   2.   Two copies of the allele
   3.   No copies of the allele
   4.   Only recessive alleles
9. Which of the following is a recessive trait?
   1.   Brown eyes
   2.   Blue eyes
   3.   Curly hair
   4.   Dark skin
10. • In a dihybrid cross, what is the phenotypic ratio of the F2 generation?
    1.   3:1
    2.   1:2:1
    3.   9:3:3:1
    4.   1:1:1:1