GENETICS CROSSWORD

This crossword was created by D. COLGUR with EclipseCrossword - www.eclipsecrossword.com

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Across

  1. a condition in which blood lacks essential proteins for clotting. It is caused by a defective allele for a gene
  2. any substance which can cause a mutation is called a __
  3. a person with three #21 chromosomes is said to have ___21
  4. different forms of a particular gene which produce different traits
  5. the outward appearanceof a trait displayed by an individual
  6. Fertilizing plants or animals in a systematic way in order to produce offspring with desired characteristics is called selective ___
  7. ___radiation will cause a mutation by removing electrons from the atoms in a chromosome and causing a defective gene
  8. a mutation which results in an disadvantage for a population is called a __ mutation
  9. shows the alleles for a certain trait actually possessed by an individual
  10. a name for individuals resulting from breeding
  11. a mutation which results in an advantage for a population is called a __ mutation
  12. A blood type in which red blood cells contain two different types of antigens
  13. a person with type AB blood is said to be a universal ___
  14. a person with type "O" blood is said to be a universal __
  15. a mutation which results in neither an advantage nor a disadvantage for a population is called a __ mutation
  16. ___light is a mutagen
  17. a genotype in which the alleles are different (eg. Hh)
  18. a positive mutation in a bacteria population can result in ___ to an antibiotic

Down

  1. When there are more than 2 alleles for a certain gene, the gene is said to have ____ alleles
  2. an individual who is heterozygous and results from a cross of two purebreds (eg. HH x hh) --> Hh is said to be a __
  3. an allele that will not show its trait if the dominant allele is present is said to be ___
  4. an individual who possesses three #21 chromosomes instead of the normal two is said to have Down's ____
  5. a gene which has an allele on the X chromosome but no corresponding allele on the Y chromsomes is said to be __-linked
  6. a trait that is shown in an individual's phenotype is said to be ___ rather than hidden
  7. a substance in the blood plasma which attacks a molecule with a certain antigen
  8. a type of inheritance in which a heterozygous offspring displays a blend of traits from the parents is called ___dominance
  9. a protein on the surface of a molecule which causes it to be attacked by an antibody
  10. a negative mutation which happens when an embryo is developing can result in a birth ____
  11. an individual who is homogygous for a certain gene and who came from a population in which all the members have the same genotype is called a __
  12. a genotype in which both of the alleles are identical (eg. HH or hh)
  13. a recessive allele is not displayed but is __ if the dominant allele is present
  14. a type of inheritance in which a heterozygous offspring displays both traits from the parents almost equally is called ____
  15. a female who possesses the allele for hemophilia but does not have hemophilia is said to be a __
  16. an allele that will show it's trait even if the other allele is present is said to be ____
  17. pairs of chromosomes in which each chromosome contains an allele for a certain gene are called ___ chromosomes


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