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

Created with That Quiz — the site for test creation and grading in math and other subjects.