ThatQuiz Test Library Take this test now
Quiz Vocabulary Genetics and Concepts
Contributed by: LaPrad
  • 1. Gene that produces the phenotype
A) dominant
B) heredity
C) recessive
D) chromosome
  • 2. Gene that always "masks" the expression of a recessive trait
A) dominant
B) heredity
C) inheritance
D) recessive
  • 3. An inherited characteristic
A) expression
B) base pair
C) syndrome
D) trait
  • 4. These 2 are similar in length, function and gene positions
A) homologous chromosomes
B) heterozygous chromosomes
C) mutations
D) RNA strands
  • 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) mutagen
C) crossing over
D) mitosis
  • 7. Crossing over predominantly occurs during____
A) interphase
B) S1
C) meiosis
D) mitosis
  • 8. What is the function/purpose of Crossing Over?
A) genetic diversity
B) to create mutations
C) to create 2 daughter cells
D) all of these
  • 9. Down Syndrome is a ________ disorder
A) gamete
B) monosomy
C) all of these
D) trisomy
  • 10. Down Syndrome occurs on pair __
A) 13
B) 23
C) 21
D) 1
  • 11. A chromosomal disorder characterized by one less chromosome
A) trisomy
B) monosomy
C) Down Syndrome
D) cancer
  • 12. An organized "picture" of chromosome pairs
A) Karyotype
B) DNA
C) replication
D) RNA
  • 13. Egg and sperm cells are called __
A) gametes
B) replication
C) mutations
D) somatic cells
  • 14. This holds a pair of chromosomes together
A) DNA
B) centromere
C) telomere
D) cytokinesis
  • 15. 2 identical halves of a chromosome pairs in cell division
A) mitosis
B) sister chromatids
C) mutation
D) RNA
  • 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) lack of sleep
B) radiation
C) chemical exposure
D) smoking
  • 18. A strand of DNA that carries genes
A) homozygous
B) chromosome
C) carcinogen
D) mutation
  • 19. Meiosis produces__
A) 4 daughter cells
B) body cells
C) carcinogens
D) 2 daughter cells
  • 20. Mitosis produces __
A) 4 gametes
B) 2 identical daughter cells
C) 2 different daughter cells
D) 4 daughter cells
  • 21. The material that carries genetic information in a cell
A) Golgi Bodies
B) DNA
C) ribosomes
D) cytoplasm
  • 22. When alleles symbolize or code for 2 different traits, they are called ___
A) homozygous
B) all of these
C) homologous
D) heterozygous
  • 23. When alleles symbolize or code for the same trait, the are called __
A) carcinogens
B) heterozygous
C) mutations
D) homozygous
  • 24. Male chromosomes are the letters
A) X
B) XX
C) XY
D) Y
  • 25. Female chromosomes are
A) YY
B) Y
C) XX
D) XY
  • 26. Basic unit of heredity
A) ribosomes
B) DNA
C) genes
D) chromosomes
  • 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) all of these
C) neutarl
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) 2
B) 21
C) 23
D) 1
Created with That Quiz — the site for test creation and grading in math and other subjects.