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Pedigree, Punnett Squares, Genetics

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  • How are III-1 and I-1 related?
    III-1 grandson and I-1 grandpa
  • This word refers to the change of physical appearance of an organism.
    Phenotype
  • What stage in meiosis is this?
    Anaphase I
  • How many generations are in this pedigree?
    3
  • Describe the genotype: RR
    Homozygous dominant
  • How many chromosomes do humans get from each parent?
    23
  • What are the two models that identify and predict traits of individuals?
    pedigrees and punnett squares
  • How many children do parents II-2 and II-3 have?
    3
  • Different forms of a gene is are called...
    alleles
  • How many chromosomes do humans have?
    46
  • How many males are affected by a disease?
    3
  • A genetic factor that blocks another genetic factor is a...
    Dominant trait
  • How many children did II-4 and II-5 have?
    3
  • Between two parents, their offsprings will receive ____ of genes from each parent.
    50%
  • What is the genotype for II-3
    Aa
  • Occurs when both alleles can be observed in a phenotype (ex. a white flower with red spots)
    Codominance
  • This word refers to the passing on of physical characteristics from one generation to another.
    Heredity
  • Occurs when the offspring’s phenotype is a blend of the parents’ phenotypes (ex. pink flower)
    incomplete dominance
  • An egg from one plant getting fertilized from pollen (sperm) from another plant is called...
    Cross pollination
  • Describe the genotype: Rr
    Heterozygous dominant
  • Write out all the genotypes
  • How is III-3 and II-3 related?
    Mother and daughter in-law
  • What is the genotype for II-4?
    Aa
  • What stages in meiosis are these two?
    Anaphase II and Telephase II
  • In what meiosis stage does recombination occur?
    Prophase I
  • Draw out the punnett square for. I-1 and I-2
    Aa/aa
  • What is the genotype of II-1?
    RR or Rr
  • An egg getting fertilized by pollen (sperm) from the same plant is called
    self-pollination
  • What phase in meiosis is this?
    Metaphase I
  • A genetic factor that is blocked by the presence of a dominant factor is a...
    Recessive trait
  • Why did Mendel breed peas for his experiment? (3 reasons)
    Reproduce quickly, observable traits, and easy to control
  • What meiosis stage does DNA replication occur?
    Interphase
  • How many couples are in this pedigree
    6
  • How many generations are in this pedigree?
    4
  • A section on a chromosome that has genetic information for one trait is a...
    gene
  • Name 2 ways cross pollination can occur
    Wind, water, animals
  • How can two parents with blue eyes have a child with purple eyes?
    Both parents have a recessive gene for purple eyes