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) recessive
B) heredity
C) inheritance
D) dominant
  • 3. An inherited characteristic
A) trait
B) base pair
C) syndrome
D) expression
  • 4. These 2 are similar in length, function and gene positions
A) mutations
B) heterozygous chromosomes
C) RNA strands
D) homologous chromosomes
  • 5. Gametes with one set of chromosomes are considered to be __
A) heterozygous
B) homozygous
C) haploid
D) diploid
  • 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) interphase
C) S1
D) meiosis
  • 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) trisomy
B) gamete
C) all of these
D) monosomy
  • 10. Down Syndrome occurs on pair __
A) 23
B) 1
C) 13
D) 21
  • 11. A chromosomal disorder characterized by one less chromosome
A) monosomy
B) cancer
C) trisomy
D) Down Syndrome
  • 12. An organized "picture" of chromosome pairs
A) replication
B) DNA
C) Karyotype
D) RNA
  • 13. Egg and sperm cells are called __
A) gametes
B) somatic cells
C) mutations
D) replication
  • 14. This holds a pair of chromosomes together
A) centromere
B) DNA
C) telomere
D) cytokinesis
  • 15. 2 identical halves of a chromosome pairs in cell division
A) sister chromatids
B) mitosis
C) RNA
D) mutation
  • 16. Body cells like skin and muscle are called ___
A) haploid
B) gametes
C) cancer
D) somatic
  • 17. Which is NOT a factor that can cause mutations?
A) chemical exposure
B) smoking
C) lack of sleep
D) radiation
  • 18. A strand of DNA that carries genes
A) chromosome
B) mutation
C) homozygous
D) carcinogen
  • 19. Meiosis produces__
A) 2 daughter cells
B) body cells
C) carcinogens
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) ribosomes
B) DNA
C) Golgi Bodies
D) cytoplasm
  • 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) homozygous
B) heterozygous
C) carcinogens
D) mutations
  • 24. Male chromosomes are the letters
A) XY
B) X
C) XX
D) Y
  • 25. Female chromosomes are
A) XX
B) XY
C) Y
D) YY
  • 26. Basic unit of heredity
A) ribosomes
B) genes
C) chromosomes
D) DNA
  • 27. Alleles are ____
A) letters for traits
B) RNA strands
C) how a trait looks
D) DNA strands
  • 28. Mutations can be__
A) all of these
B) helpful
C) neutarl
D) harmful
  • 29. Genome
A) a mutation
B) cancer
C) an organisms complete DNA sequence
D) occur in mitochondria
  • 30. Gender of offspring can be found on what chromosome pairs?
A) 2
B) 23
C) 1
D) 21
Students who took this test also took :

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