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Mendel F14

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
allele   an alternative form of a gene  
autosome   A chromosome that is not directly involved in determining gender  
carrier   An individual who is heterozygous for a recessive gene that predisposes for a hereditary disease.  
codominant   phenotypic situation in which both alleles are expressed in the heterozygote.  
crossing over   The exchange of genetic material during prophase I.  
dominant   trait that is expressed when its allele is homozygous or heterozygous.  
F1 generation   resulting immediately from a cross of the first set of parents  
F2 generation   the result of a cross between two F1 individuals  
gene   The genetic information in the chromosomes that determines a trait  
gene mutation   A changed gene. A trait that is not found in the parent.  
genetic variation   Characteristic of an organism that makes it different from the species.  
genetics   The study of the patterns of inheritance of specific traits.  
genotype   The combination of or genes that represent a particular trait.  
heterozygous   Having two different alleles for a specific trait.  
homologous chromosomes   chromosomes that are similar in shape, size, and the genes they carry.  
homozygous   Having two of the same alleles for a specific trait.  
incomplete dominance –   neither allele is dominant; a blending of the two create a new phenotype  
independent assortment   Mendel's second law, stating that each allele pair segregates independently during gamete formation  


   






 
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