John Glenn Genetics Test

35 Questions | By Gettym0000 | Last updated: Dec 20, 2012 | Total Attempts: 377

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Students recall from topics: DNA, Meiosis, Punnett Squares, Dominance, Pedigrees, and Mutation.

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Questions and Answers

1.

What is structure "A"?
- A.
  
  Cell
- B.
  
  Chromosome
- C.
  
  Gene
- D.
  
  Gametes
2.

What is structure "B"?
- A.
  
  Cell
- B.
  
  Chromosome
- C.
  
  Gene
- D.
  
  Gametes
3.

If red flower color "R" is INCOMPLETELY DOMINANT over white flower color "r" then what would be the color of an individual with "Rr."
- A.
  
  Red
- B.
  
  White
- C.
  
  Pink
4.

What is it when one allele totally dominates over another allele?
- A.
  
  Partial dominance
- B.
  
  Complete dominance
- C.
  
  Half dominance
- D.
  
  Incomplete dominance
5.

The weaker allele is:
- A.
  
  Dominant
- B.
  
  Recessive
- C.
  
  Complete
- D.
  
  Incomplete
6.

What is the physical appearance (visual characteristics) of an organism?
- A.
  
  Genes
- B.
  
  Genetic material
- C.
  
  Genotype
- D.
  
  Phenotype
7.

What is structure "A"?
- A.
  
  Nucleus
- B.
  
  Cell Membrane
- C.
  
  Chromosome
- D.
  
  Mitochondria
- E.
  
  Golgi Complex
8.

What are the basic units that pass on traits?
- A.
  
  Genes
- B.
  
  Cells
- C.
  
  Nuclei
- D.
  
  Meiosis
9.

What type of mutation adds to the DNA code?
- A.
  
  Secretion
- B.
  
  Inversion
- C.
  
  Deletion
- D.
  
  Insertion
10.

What is this structure?
- A.
  
  Amino Acids
- B.
  
  Nucleotides
- C.
  
  Rough ER
- D.
  
  Nucleus
- E.
  
  DNA
11.

What is this?
- A.
  
  Pedigree
- B.
  
  Punnett Square
- C.
  
  Phenotype
- D.
  
  Genetic Engineering
12.

The stronger allele is:
- A.
  
  Dominant
- B.
  
  Recessive
- C.
  
  Complete
- D.
  
  Incomplete
13.

What is an allele?
- A.
  
  Different forms of traits
- B.
  
  Different forms of DNA
- C.
  
  Different forms of genes
- D.
  
  All of the above
14.

How many females did these parents have?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
15.

Create a Punnett square to cross two dragons with "Tt." What percentage of their offspring will be "Tt"?
- A.
  
  25 %
- B.
  
  50 %
- C.
  
  75 %
- D.
  
  100 %
16.

DNA is:
- A.
  
  The code that allows for different forms of genes
- B.
  
  The chemical code that is made of A, T, G, C
- C.
  
  The genetic code that chromosomes are made of
- D.
  
  All of the above
17.

What type of mutation removes the DNA code?
- A.
  
  Secretion
- B.
  
  Inversion
- C.
  
  Deletion
- D.
  
  Insertion
18.

"Hh" is an example of an organism's:
- A.
  
  Genotype
- B.
  
  Phenotype
- C.
  
  Chromosome
- D.
  
  Pedigree
- E.
  
  Punnett Square
19.

Create a Punnett Square to cross "Rr" and "Rr." Red flower color "R" is INCOMPLETELY DOMINANT over white flower color "r." What is the phenotypic ratio?
- A.
  
  Red: 1 White: 3
- B.
  
  Red: 2 White 2
- C.
  
  Red: 0 Pink: 2 White: 2
- D.
  
  Red: 1 Pink: 2 White: 1
20.

What are the pairs that make up this structure?
- A.
  
  V-Z , G-C
- B.
  
  A-Z , G-O
- C.
  
  V-T , O-C
- D.
  
  A-T , G-C
21.

How many chromosomes do humans have?
- A.
  
  6 chromosomes
- B.
  
  18 chromosomes
- C.
  
  23 chromosomes
- D.
  
  46 chromosomes
22.

Create a Punnett Square to cross a male "XY" and a female "XX." What percentage of the offspring will be "XY"?
- A.
  
  0 %
- B.
  
  25 %
- C.
  
  50 %
- D.
  
  75 %
23.

If two dragons that are "Tt" for tail genes are crossed and "T" is COMPLETELY DOMINANT over 't", what ratio of their offspring will have no spikes. (TT-spikes, Tt-spikes, tt-no spikes)
- A.
  
  0:4
- B.
  
  1:4
- C.
  
  2:4
- D.
  
  3:4
24.

What is structure "C"?
- A.
  
  Nucleus
- B.
  
  Cell Membrane
- C.
  
  Chromosome
- D.
  
  Mitochondria
- E.
  
  Golgi Complex
25.

What is the genotype of "A"?
- A.
  
  Horns
- B.
  
  No Horns
- C.
  
  HH
- D.
  
  Hh
- E.
  
  Hh
26.

What is it when the genes in a pair seem to blend together?
- A.
  
  Heterozygous
- B.
  
  Homozygous
- C.
  
  Complete Dominance
- D.
  
  Incomplete Dominance
27.

What is structure "B"?
- A.
  
  Nucleus
- B.
  
  Cell Membrane
- C.
  
  Chromosome
- D.
  
  Mitochondria
- E.
  
  Golgi Complex
28.

What process produces gametes (egg and sperm)?
- A.
  
  Mitosis
- B.
  
  Fertilization
- C.
  
  Meiosis
- D.
  
  Sterilization
29.

What is the genotype of "C"?
- A.
  
  Horns
- B.
  
  No Horns
- C.
  
  HH
- D.
  
  Hh
- E.
  
  Hh
30.

The martian has "purple ears" is an example of a martian's:
- A.
  
  Genotype
- B.
  
  Phenotype
- C.
  
  Pedigree
- D.
  
  Punnett Square
31.

Dragon's have 6 chromosomes. How many chromosomes are in one egg?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  6
32.

Which is heterozygous?
- A.
  
  BB
- B.
  
  Bb
- C.
  
  Bb
33.

Which is homozygous recessive?
- A.
  
  BB
- B.
  
  Bb
- C.
  
  Bb
34.

Which is homozygous dominant?
- A.
  
  BB
- B.
  
  Bb
- C.
  
  Bb
35.

What percentage of offspring are heterozygous?
- A.
  
  25 %
- B.
  
  50 %
- C.
  
  75 %
- D.
  
  100 %

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