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Meiosis Words

Terms

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Meiosis
the process of making haploid cells from diploid cells (the making of sex cells from reproductive cells)
Pedigree
family record that shows inheritance
Sex-Linked
genes connected to the X chromosomes; hemophilia
Homozygous
the genes in the pair are the same (BB or bb)
Recessive
the "weaker" gene; the one that gets masked
Phenotype
the physical expression of the code (can't curl tongue)
Mendel
the "father of genetics" - known for studying peas
Alleles
different forms (options) of a gene; b or B
Genotype
the coding for the trait (cc)
Incomplete Dominance
involves "blending" of options (pink flowers)
Mitosis
process that makes new cells for growth & repair
Homologous
chromosomes that are similar in size, shape, and the traits they code for (maternal & paternal)
Haploid
cells containing 1/2 the number of chromosomes
Dominant
the "stronger" gene; the one that gets expressed
Zygote
the first cell made when egg & sperm unite
Diploid
cells containing a full set of chromosomes; body cells
Reproductive Cell
the only kind of cell that can go through the process of meiosis
Polygenic
features controlled by many genes; height
Codominance
involves "sharing" of options (black & white chicken)
Heterozygous
the genes in the pair are different (Bb)
Fertilization
the uniting of egg & sperm
Multiple Alleles
involves a trait with more than 2 options; blood types
Gamete
sex cell; egg, sperm

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