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) inheritance
B) recessive
C) dominant
D) heredity
  • 3. An inherited characteristic
A) syndrome
B) expression
C) trait
D) base pair
  • 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) homozygous
C) diploid
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) mitosis
B) meiosis
C) interphase
D) S1
  • 8. What is the function/purpose of Crossing Over?
A) all of these
B) to create 2 daughter cells
C) to create mutations
D) genetic diversity
  • 9. Down Syndrome is a ________ disorder
A) all of these
B) gamete
C) monosomy
D) trisomy
  • 10. Down Syndrome occurs on pair __
A) 1
B) 21
C) 13
D) 23
  • 11. A chromosomal disorder characterized by one less chromosome
A) cancer
B) trisomy
C) Down Syndrome
D) monosomy
  • 12. An organized "picture" of chromosome pairs
A) Karyotype
B) RNA
C) replication
D) DNA
  • 13. Egg and sperm cells are called __
A) somatic cells
B) gametes
C) mutations
D) replication
  • 14. This holds a pair of chromosomes together
A) centromere
B) DNA
C) cytokinesis
D) telomere
  • 15. 2 identical halves of a chromosome pairs in cell division
A) sister chromatids
B) RNA
C) mitosis
D) mutation
  • 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) lack of sleep
B) radiation
C) chemical exposure
D) smoking
  • 18. A strand of DNA that carries genes
A) carcinogen
B) homozygous
C) chromosome
D) mutation
  • 19. Meiosis produces__
A) body cells
B) carcinogens
C) 2 daughter cells
D) 4 daughter cells
  • 20. Mitosis produces __
A) 2 different daughter cells
B) 4 gametes
C) 2 identical daughter cells
D) 4 daughter cells
  • 21. The material that carries genetic information in a cell
A) cytoplasm
B) DNA
C) Golgi Bodies
D) ribosomes
  • 22. When alleles symbolize or code for 2 different traits, they are called ___
A) heterozygous
B) homologous
C) homozygous
D) all of these
  • 23. When alleles symbolize or code for the same trait, the are called __
A) mutations
B) carcinogens
C) homozygous
D) heterozygous
  • 24. Male chromosomes are the letters
A) X
B) Y
C) XY
D) XX
  • 25. Female chromosomes are
A) XX
B) XY
C) Y
D) YY
  • 26. Basic unit of heredity
A) genes
B) DNA
C) ribosomes
D) chromosomes
  • 27. Alleles are ____
A) letters for traits
B) RNA strands
C) DNA strands
D) how a trait looks
  • 28. Mutations can be__
A) helpful
B) neutarl
C) all of these
D) harmful
  • 29. Genome
A) occur in mitochondria
B) cancer
C) a mutation
D) an organisms complete DNA sequence
  • 30. Gender of offspring can be found on what chromosome pairs?
A) 21
B) 2
C) 1
D) 23
Students who took this test also took :

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