Quiz Vocabulary Genetics and Concepts
  • 1. Gene that produces the phenotype
A) chromosome
B) recessive
C) dominant
D) heredity
  • 2. Gene that always "masks" the expression of a recessive trait
A) inheritance
B) dominant
C) recessive
D) heredity
  • 3. An inherited characteristic
A) syndrome
B) base pair
C) trait
D) expression
  • 4. These 2 are similar in length, function and gene positions
A) homologous chromosomes
B) heterozygous chromosomes
C) RNA strands
D) mutations
  • 5. Gametes with one set of chromosomes are considered to be __
A) haploid
B) diploid
C) homozygous
D) heterozygous
  • 6. Exchange of DNA between homologous chromosomes
A) crossing over
B) mitosis
C) mutation
D) mutagen
  • 7. Crossing over predominantly occurs during____
A) interphase
B) mitosis
C) meiosis
D) S1
  • 8. What is the function/purpose of Crossing Over?
A) to create 2 daughter cells
B) to create mutations
C) genetic diversity
D) all of these
  • 9. Down Syndrome is a ________ disorder
A) trisomy
B) monosomy
C) all of these
D) gamete
  • 10. Down Syndrome occurs on pair __
A) 21
B) 1
C) 13
D) 23
  • 11. A chromosomal disorder characterized by one less chromosome
A) Down Syndrome
B) cancer
C) trisomy
D) monosomy
  • 12. An organized "picture" of chromosome pairs
A) DNA
B) RNA
C) replication
D) Karyotype
  • 13. Egg and sperm cells are called __
A) gametes
B) somatic cells
C) mutations
D) replication
  • 14. This holds a pair of chromosomes together
A) cytokinesis
B) telomere
C) centromere
D) DNA
  • 15. 2 identical halves of a chromosome pairs in cell division
A) sister chromatids
B) mutation
C) RNA
D) mitosis
  • 16. Body cells like skin and muscle are called ___
A) somatic
B) cancer
C) haploid
D) gametes
  • 17. Which is NOT a factor that can cause mutations?
A) smoking
B) radiation
C) lack of sleep
D) chemical exposure
  • 18. A strand of DNA that carries genes
A) chromosome
B) carcinogen
C) homozygous
D) mutation
  • 19. Meiosis produces__
A) 2 daughter cells
B) 4 daughter cells
C) body cells
D) carcinogens
  • 20. Mitosis produces __
A) 4 daughter cells
B) 2 different daughter cells
C) 2 identical daughter cells
D) 4 gametes
  • 21. The material that carries genetic information in a cell
A) cytoplasm
B) Golgi Bodies
C) DNA
D) ribosomes
  • 22. When alleles symbolize or code for 2 different traits, they are called ___
A) heterozygous
B) homozygous
C) all of these
D) homologous
  • 23. When alleles symbolize or code for the same trait, the are called __
A) mutations
B) carcinogens
C) heterozygous
D) homozygous
  • 24. Male chromosomes are the letters
A) XX
B) Y
C) XY
D) X
  • 25. Female chromosomes are
A) YY
B) Y
C) XY
D) XX
  • 26. Basic unit of heredity
A) chromosomes
B) genes
C) DNA
D) ribosomes
  • 27. Alleles are ____
A) how a trait looks
B) RNA strands
C) letters for traits
D) DNA strands
  • 28. Mutations can be__
A) helpful
B) neutarl
C) all of these
D) harmful
  • 29. Genome
A) cancer
B) an organisms complete DNA sequence
C) occur in mitochondria
D) a mutation
  • 30. Gender of offspring can be found on what chromosome pairs?
A) 2
B) 23
C) 1
D) 21
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