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QR Challenge: Biology Chapter 6 Vocabulary & Review

QuestionAnswer
body cell that makes up all tissues & organssomatic cell
sex cell like egg and sperm2gamete2
chromosomes that have the same length, appearance & copy of genes3homologous chromosomes3
chromosomes 1-22 with the same genes for characteristics not related to sexual development4autosomes4
chromosomes that directly control the development of sexual characteristics, X & Y5sex chromosomes5
a cell or organism that has 2 copies of each chromosome, one from each parent-46 in humans6diploid6
a cell that has only one copy of each chromosome7haploid7
form of nuclear division that dives a diploid cell into haploid cells8meiosis8
cell with little more than DNA in females that is eventually broken down and absorbed - doesn't become an ovum9polar body9
law that states alleles are separated during gamete formation10law of segregation
law that states 2 or more characteristics are inherited independently from one another11law of independent assortment11
process by which diploid cells undergo cell division to form mature haploid gametes12gametogenesis12
distinguishing quality or characteristic inherited from your parent13trait13
Organism that has only dominant OR recessive alleles (P generation)14purebred14
a piece of DNA that provides a set of instructions to a cell that make a certain protein15gene15
one of 2 or more alternative forms of a gene found at the same place on a chromosome16allele16
an individual inherits the same allele for a particular gene from both parents (TT or tt)17homozygous17
an individual inherits 2 different alleles for a particular gene that appear at the same locus of sister chromatids18heterozygous18
collection of all of an organism's genetic information - the genes19genotype19
the physical characteristic of an individual20phenotype20
exchange of chromosome segments between homologous c'somes during prophase I of meiosis I - creates a recombinant21crossing over21
cross between organisms that involves only one pair of contrasting traits22monohybrid22
cross between an organism with an unknown genotype and an organism with a homozygous recessive genotype to identify the unknown genotype23testcross23

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