Test Your Knowledge by Answering These Genetics and Heredity Flashcards

Flashcards for MGCCC 2011 Fall Biology 1 class - chapters 9+10

197 cards   |   Total Attempts: 188
  

Cards In This Set

Front Back
One of the characteristics of living things is their ability to ... ?
Reproduce their kind
Heredity is the transfer of biological information from ... ?
Parent to offspring
Genetics is the branch of biology concerned with the structure, transmission, and ... ?
Expression of hereditary information
Genes are the ... ?
Units of heredity
Chromosomes (colored bodies) are the nuclear packages in which ... ?
Genetic information is stored
Chromosomes are composed of a tangle of darkly staining fibers called ... ?
Chromotins
Chromotin is composed of ... ?
60% protein, 35% DNA, and 5% RNA
THe length of DNA in a single cell nucleus is estimated to be ... ?
About 1 yard
Each chromosome contains .... ?
Thousands of genes
Each gene is a unit of information which determines a specifically hereditary trait and occupies a ... ?
Specific location on a chromosome
Some genes are capable of transmitting their chromosomal ... ?
DNA information to RNA molecules
RNA molecules contain the code sequence of amino acids (the building blocks of proteins) of all proteins produced ... ?
Within the organism
Humans have ... ?
About 75,000 genes
Everyy individual in a given species possesses a specific number of chromosomes. These chromosomes occur in ... ?
Virtually every cell of the body.
Human body cells have 46 chromosomes. For this reason 46 is termed the ... number?
Somatic