Campbell: Biology in Focus (AP).
Starr Taggart: Biology- The Unity and Diversity of Life.
Words are found in these textbooks (mostly Campbell).
Terms : Hide Images
| 1957396098 | heredity | the transmission of traits form one generation to the next | 0 | |
| 1957396099 | genetics | the scientific study of heredity and hereditary variation | 1 | |
| 1957396100 | genes | a discrete unit of hereditary information consisting of a specific nucleotide sequence in DNA | 2 | |
| 1957396101 | somatic cells | any cell in a multicellular organism except a sperm or egg or their precursors | 3 | |
| 1957396102 | locus | a specific place along the length of a chromosome where a given gene is located | 4 | |
| 1957396103 | asexual reproduction | the generation of offspring from a single parent that occurs without the fusion of gametes | 5 | |
| 1957396104 | clone | a lineage of genetically identical individuals or cells | 6 | |
| 1957396105 | sexual reproduction | a type of reproduction I which two parents give rise to offspring that have unique combinations of genes inherited from both parents via the gametes | 7 | |
| 1957396106 | variation | differences between members of the same species | 8 | |
| 1957396107 | life cycle | the generation-to-generation sequence of stages in the reproduction history of an organism | 9 | |
| 1957396108 | karyotype | a display of the chromosome pairs of a cell arranged by size and shape | 10 | |
| 1957396109 | homologous chromosomes | a pair of chromosomes of the same length, centromere position, and staining pattern that possesses genes for the same characters at corresponding loci | 11 | |
| 1957396110 | sex chromosome | a chromosome responsible for determining the sex of an individual | 12 | |
| 1957396111 | diploid cell | a cell containing two sets of chromosomes, one set inherited from each parent | 13 | |
| 1957396112 | haploid cell | a cell containing only one set of chromosomes | 14 | |
| 1957396113 | fertilization | the union of haploid gametes to produce a diploid gamete | 15 | |
| 1957396114 | zygote | the diploid cell produced by the union of haploid gametes during fertilization; a fertilized egg | 16 | |
| 1957396115 | autosomes | a chromosome that is not directly involved in determining sex; not a sex chromosome | 17 | |
| 1957396116 | meiosis | a modified type of cell division in sexually reproducing organisms consisting of two rounds of cell division but only one round of DNA replication; results in cells with half the number of chromosome sets as the original cell | 18 | |
| 1957396117 | alternation of generations | a life cycle in which there is both a multicellular diploid form, the sporophyte, and a multicellular haploid form, the gametophyte; characteristics of some plants and algae | 19 | |
| 1957396118 | meiosis 1 | the first division of a two-stage process of cell division in sexually reproducing organisms that results in cells with half the number of chromosomes as the original cell | 20 | |
| 1957396119 | meiosis 2 | the second division of a two-stage process of cell division in sexually reproducing organisms that results in cells with half the number of chromosomes as the original cell | 21 | |
| 1957396120 | synapsis | the pairing and physical connection of duplicated homologous chromosomes during prophase 1 of meiosis | 22 | |
| 1957396121 | crossing over | the reciprocal exchange of genetic material between nonsister chromatids during prophase 1 of meiosis | 23 | |
| 1957396122 | chiasmata | the X-shaped, microscopic visibly region where crossing over has occurred earlier in prophase 1 between homologous nonsister chromatids | 24 | |
| 1957396123 | recombinant chromosome | a chromosome created when crossing over combines DNA from two parents into a single chromosome | 25 | |
| 1961793133 | spore | a reproductive or resting structure or one or a few cells, often walled or coated | 26 | |
| 1961793134 | sperm | mature male gamete | 27 | |
| 1961793135 | oocyte | type of immature egg | 28 | |
| 1961793136 | egg | mature female gamete | 29 |
