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