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