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5 Written questions

5 Matching questions

  1. do sex linked traits show up more in males or females?why?
  2. what is a karyotype?
  3. Give an example of a sex linked disease.
  4. what does TT stand for?
  5. What is the principle of segregation?
  1. a males because they only have one chromosme to carry the recessive allele.
  2. b Hemophilia.
  3. c TT stands for homozygous dominant and purebred dominant.
  4. d -the two genes for each trait separate when the gametes are formed.
  5. e all are homologous
    22 pairs of autosomes and 1 pair of sex chromosomes

5 Multiple choice questions

  1. a trait that is determined by a gene found on one of the sex chromosomes, such as the X chromosome or the Y chromosome in humans.
  2. the difference in the X and Y chromosome leads to a difference in the inheritance of traits located on the sex chromosome.
  3. heterozygous or hybrid
  4. sex linked traits; only affects the male.
  5. never mind

5 True/False questions

  1. What is the principle of domanince?-the two genes for each trait separate when the gametes are formed.

          

  2. What is the law of probability?-trait that is determined by the combinded effect of one or more genes. ex. human skin, hair, height, and eye color.

          

  3. What does tt stand for?heterozygous indivisual expresses both alleles.

          

  4. f one generationthe first offspring from cross of two varieties in the parental generation

          

  5. What is the purpose of a punnent square?-one gene in a trait can prevent the other gene from being expressed
    -gene expressed as dominant is upper case
    -gene expressed lower case is recessive