5 Written Questions
5 Matching Questions
- Genetic Recombination
- a A technique for diagnosing genetic disorders and defects while a fetus is in the uterus. A sample of amniotic fluid, obtained via a need inserted into the amnion, is analyzed for telltale chemicals and defective fetal cells
- b one of two identical strands into which a chromosome splits during mitosis`
- c The production, by crossing over and/or independent assortments of chromosomes during meiosis, of offspring with allele combinations different from those in the parents. The term may also be used more specifically to mean the production by crossing over of eukaryotic or prokaryotic chromosomes with gene combinations unlike those in the original chromosomes.
- d (genetics) a segment of DNA that is involved in producing a polypeptide chain
- e a small usually single-celled reproductive body produced by many plants and some protozoans and that develops into a new individual
5 Multiple Choice Questions
- a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape
- A change in the nucleotide sequence of DNA; the ultimate source of genetic diversity.
- organic process consisting of the division of the cytoplasm of a cell following karyokinesis bringing about the separation into two daughter cells
- A sex cell; a haploid egg or sperm. the union of two gametes of opposite sex (fertilization) produces a zygote.
- The two chromosomes that make up a matched pair in a diploid cell. Homologous chromosomes are of the same length, centromere position, and staining pattern and possess genes for the same characteristics at corresponding loci.
5 True/False Questions
Haploid → Containing a single set of chromosomes, referring to an "n" cell.
Autosome → threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next
Diploid → (genetics) an organism or cell having two sets of chromosomes or twice the haploid number
Interphase → The period in the eukaryotic cell cycle when the cell is not actually dividing
Meiosis → cell division in which the nucleus divides into nuclei containing the same number of chromosomes