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21 Cards in this Set
- Front
- Back
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haploid
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1 one set of chromosomes (gametes)
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meiosis 2
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haploid number of chromosomes line the equator
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hybrid cross
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1:4 ratio expected to recessives
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alleles
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causes genetic recombination
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polypolidy
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am extra set of chromosomes organisms is sterile (seedless grapes)
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interphase
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proteins are synthesized
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prophase 1
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crossover can occur frequently
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metaphase 1
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homologous pairs line up at equator
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anaphase 1
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spindle fibers guide separated homologous chromosomes pairs toward opposite poles
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telephase
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homologous chromosomes pairs are at opposite poles
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gene
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dna segment
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crossing over
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causes genetic variations
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asexual reproduction
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offspring are genetically identical to their parents
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alleles
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responsible for variations
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genotype
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alleles pairs (TT) ( Tt) (tt)
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heterozygous
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one dominate and one recessive allele (Tt)
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mendel
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researched Garden pea traits
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Mendels law of separation
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2 alleles for each trait separate during gamete formation
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gene linkage
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the closer the gene is to the other gene on a chromosomes the greater the chance of the genre linkage
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phenotype
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describes the characteristics of the trait
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codominance
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a blending of phenotypes
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