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Genetics

Name:
Across
passing on of characteristics from parents to offspring
diploid cell formed when a sperm fertilizes an egg.
characteristic that is inherited; can be either dominant or recessive
exchange of genetic material between non-sister chromatids from homologous chromosome during prophase I of meiosis; results in new allele combinations
transfer of male pollen grains to the pistil of a flower
haploid male sex cells produced by meiosis
alternative forms of a gene for each variation of a trait of an organism
trait of an organism that can be masked by the dominant form of a trait
major source of genetic variation among organisms caused by re-assortment or crossing over during meiosis
when there are two identical alleles for a trait
failure of homologous chromosomes to separate properly during meiosis; results in gametes with too many or too few chromosomes
pattern of reproduction that involves the production of subsequent fusion of haploid cells.
type of cell division where one body cell produces for gametes, each containing half the number of chromosomes in a parents body.
cell with one of each kind of chromosome; is said to contain a haploid or n, number of chromosomes.
Down
fusion of male and female gametes
observed trait of an organism that mask the recessive form of a trait
offspring formed by parents having different forms of a specific trait.
Mendelian principal explaining that because each plant has two different alleles, it can produce two different types of gametes. During fertilization, male and female gametes randomly pair to produce four combinations of alleles
paired chromosomes with genes from the same traits arranged in the same order.
when there are two different alleles for a trait
combination of genes in an organism
outward appearance of an organism, regardless of its genes.
male and female sex cells, sperm and eggs
haploid female sex cell produced by meiosis
branch of biology that studies heredity
cell with two of each kind of chromosome; is said to contain a diploid, or 2n, number of chromosomes