Study

Genetics

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  • Which process makes a copy of DNA before the cell divides?
    replication
  • When two alleles are the same, such as rr or RR, the trait is ________________.
    homozygous
  • If an organism has two lowercase alleles, the ________________ trait will show.
    recessive
  • A fertilized egg.
    zygote
  • What is the jelly-like substance that makes up the largest part of the cell?
    cytoplasm
  • A single parent can produce offspring through _____________ reproduction.
    asexual
  • All living things are made of cells, cells are the basic unit of life, all life comes from pre-existing life are the 3 components of what?
    the cell theory
  • Which law states that a parent who has two different alleles for a trait is equally likely to pass either allele to its offspring?
    law of segregation
  • Structure found in plant cells that assists with photosynthesis.
    chloroplasts
  • If the alleles for a particular trait are different, the organism is _________________ for that trait.
    heterozygous
  • All cell comes from what?
    preexisting cells
  • A sperm and or egg cell is also known as a ____________.
    gamete
  • What percentage will have brown eyes?
    75%
  • Which organelle stores food and water within a cell?
    vacuole
  • An organism that has an organized nucleus.
    eukaryote
  • What percentage will have blue eyes?
    25%
  • The law of __________________________ says that the allele inherited for one trait does not affect the allele inherited for another trait.
    independent assortment
  • To produce energy for the cell, cellular respiration takes place in which organelle?
    mitochondria
  • The "organs" that make a cell.
    organelle
  • What is the transmission of characteristics from parent to offspring?
    heredity
  • Who is responsible for discovering and naming cells?
    Robert Hooke
  • Found in both plant and animal cells, what surrounds and protects all things inside a cell?
    cell membrane
  • What type of trait shows up in the offspring even if an allele for another trait is also present?
    dominant
  • A family tree that includes information on a genetic trait being studied is a ___________ chart?
    pedigree
  • Represented by letters, what is the combination of alleles an organism has called?
    genotype
  • All living things are made of?
    cells
  • What type of chart is pictures?
    Punnett square
  • The control center of the cell.
    nucleus
  • Structures that can be seen with our eyes are called?
    macroscopic
  • The physical appearance that results from the organism's genotype.
    phenotype
  • What is the substance within the cell that stores genetic information?
    DNA
  • A single cell dividing into two new daughter cells.
    mitosis
  • What is the scientific study of heredity known as?
    genetics