science chapter 3 Word Scramble
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Term | Definition |
heredity | is the passing of physical characteristics from parents to offspring hint hint heredity |
trait | a specific characteristic hint hint trait |
genetics | mendel experiments with thousands of peas hint hint genetics |
fertilization | sperm cells and a egg joins together hint hint fertilization |
purebred | organisms offspring of many generations that have the same form of a trait hint hint purebred |
gene | factors control trait hint hint gene |
allele | are the different forms of a gene hint hint allele |
dominate allele | is one whose trait always shows up in the organism when the allele is present hint hint dominate allele |
recessive allele | on the other hand is hidden whenever the dominant allele is present hint hint recessive allele |
hybrid | organisms has two different allele for a trait hint hint hybrid |
probability | a number that describes how likely it is that an event will occur hint hint probability |
punnett square | is a chart that shows all the possible ways alleles can combine in a genetic cross hint hint punnett square |
phenotype | is a physical appearance hint hint phenotype |
genotype | organisms alleles hint hint genotype |
homozygous | an organism that has two identical alleles for a hint hint homozygous |
heterzygous | an organism that has two different alleles for a trait hint hint heterzygous |
incomplete dominance | occurs when one allele is only partially dominant hint hint incomplete dominance |
codominance | occurs when both alleles for a gene are expressed equally hint hint codominance |
multiple alleles | which means that three or more possible alleles determine the trait hint hint multiple alleles |
polygenic inheritance | occurs when more then one gene affects a trait hint hint polygenic inheritance |
meiosis | is the process by which the number of chromosomes is reduced by half as sex cells form hint hint meiosis |
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