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