Question | Answer |
body cell that makes up all tissues & organs | somatic cell
|
sex cell like egg and sperm2 | gamete2
| chromosomes that have the same length, appearance & copy of genes3 | homologous chromosomes3
| chromosomes 1-22 with the same genes for characteristics not related to sexual development4 | autosomes4
| chromosomes that directly control the development of sexual characteristics, X & Y5 | sex chromosomes5
| a cell or organism that has 2 copies of each chromosome, one from each parent-46 in humans6 | diploid6
| a cell that has only one copy of each chromosome7 | haploid7
| form of nuclear division that dives a diploid cell into haploid cells8 | meiosis8
| cell with little more than DNA in females that is eventually broken down and absorbed - doesn't become an ovum9 | polar body9
| law that states alleles are separated during gamete formation10 | law of segregation
| law that states 2 or more characteristics are inherited independently from one another11 | law of independent assortment11
| process by which diploid cells undergo cell division to form mature haploid gametes12 | gametogenesis12
| distinguishing quality or characteristic inherited from your parent13 | trait13
| Organism that has only dominant OR recessive alleles (P generation)14 | purebred14
| a piece of DNA that provides a set of instructions to a cell that make a certain protein15 | gene15
| one of 2 or more alternative forms of a gene found at the same place on a chromosome16 | allele16
| an individual inherits the same allele for a particular gene from both parents (TT or tt)17 | homozygous17
| an individual inherits 2 different alleles for a particular gene that appear at the same locus of sister chromatids18 | heterozygous18
| collection of all of an organism's genetic information - the genes19 | genotype19
| the physical characteristic of an individual20 | phenotype20
| exchange of chromosome segments between homologous c'somes during prophase I of meiosis I - creates a recombinant21 | crossing over21
| cross between organisms that involves only one pair of contrasting traits22 | monohybrid22
| cross between an organism with an unknown genotype and an organism with a homozygous recessive genotype to identify the unknown genotype23 | testcross23 |