Meiosis & Mendelian Genetics LFU Review

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Across
  1. 2. an allele whose phenotype is expressed only when two copies are present (masked by a dominant allele)
  2. 4. inheritance where heterozygotes display an intermediate phenotype between the two homozygotes
  3. 9. an allele that masks the expression of another allele when present in a single copy
  4. 10. organisms that produce offspring identical to the parent for a trait when self‑fertilized or crossed with the same genotype
  5. 11. chromosome, a chromosome carrying a new combination of alleles created by crossing over
  6. 12. a cell or organism with a single set of chromosomes (one copy of each chromosome)
  7. 13. an organized visual profile of an individual's chromosomes arranged by size, shape, and number
  8. 14. variation, differences in DNA sequences or observable traits among individuals in a population
Down
  1. 1. one of two or more alternative forms of a gene at the same locus on homologous chromosomes
  2. 3. cell, a cell produced from the division of a parent cell after mitosis or meiosis
  3. 5. over, exchange of genetic material between homologous chromosomes during meiosis that produces new allele combinations
  4. 6. a diagram used to predict genotype and phenotype ratios of offspring from a genetic cross
  5. 7. inheritance where both alleles in a heterozygote are fully and simultaneously expressed
  6. 8. a cell or organism with two complete sets of chromosomes (two copies of each chromosome)