Q.1
These are the very basic molecular units of inheritance in every living organism.
  • Cells
  • Chromosomes
  • DNA
  • Genes
Q.2
In humans, the nucleus contains a total of ___ individual chromosomes.
  • 46
  • 23
  • 25,000
  • 100 trillion
Q.3
The smallest unit of life is a ____.
  • chromosome
  • nucleus
  • cell
  • gene
Q.4
The study of genes is known as _____.
  • heredity
  • dominate traits
  • recessive traits
  • genetics
Q.5
This kind of trait pushes aside or covers up another trait.
  • Sick
  • Recessive
  • Shorter
  • Dominate
Q.6
Humans are made up of some ____ cells.
  • 46
  • 100 trillion
  • 23 pairs
  • 25,000 to 35,000
Q.7
The blueprint of a genetic code is known as ___.
  • Genetics
  • DNA
  • Chromosomes
  • Nucleus
Q.8
These are tiny spaghetti-like structures to which the genes cling to.
  • Chromosomes
  • DNA
  • Cells
  • Nucleus
Q.9
Each cell in the human body contains ____ genes.
  • 25,000 to 35,000
  • pairs
  • 100 trillion
  • camouflage
Q.10
Chromosomes come in ________.
  • hair colors
  • sets of cells
  • pairs
  • dominate pairs
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