Term
| Chromosomal theory of inheritance |
|
Definition
| The theory that chromosomes are linear sequences of genes. The unifying theory stating that inheritance patterns may be generally explained by assuming that genes are located in specific sites on chromosomes. |
|
|
Term
|
Definition
| is the phenotypic expression of an allele that is related to the chromosomal sex of the individual. |
|
|
Term
| do x linked recessive traits affect males more than females? |
|
Definition
|
|
Term
| do y linked traits only affect males? |
|
Definition
|
|
Term
|
Definition
| occurs when particular genetic loci or alleles for genes are inherited jointly. Genetic loci on the same chromosome are physically connected and tend to stay together during meiosis, and are thus genetically linked. Alleles for genes on different chromosomes are usually not linked, due to independent assortment of chromosomes during meiosis. |
|
|
Term
|
Definition
| a genetic map of a species or experimental population that shows the position of its known genes and/or genetic markers relative to each other in terms of recombination frequency, rather than as specific physical distance along each chromosome. |
|
|
Term
| the distance between genes is based on...? |
|
Definition
divide the number of recombinant gametes into the total gametes analyzed. |
|
|
Term
|
Definition
The condition of a cell or organism that has one or more complete sets of chromosomes. |
|
|
Term
|
Definition
| occurs in cells and organisms when there are more than two homologous sets of chromosomes. |
|
|
Term
|
Definition
| an abnormal number of chromosomes. Syndromes caused by an extra or missing chromosome are among the most widely recognized genetic disorders in humans |
|
|
Term
|
Definition
| the characteristic chromosome complement of a eukaryote species.[ |
|
|
Term
| what are the different types of chromosomal mutations? |
|
Definition
Substitution: This kind of mutation switches with another base to create an irregular sequence. Insertion: This kind of mutation involves the insertion of an extra base to the sequence. Deletion: This kind of mutation deletes or loses one of the bases in the sequence Frameshifts: This kind of mutation is where a sequence has an insertion or deletion, altering it. Since the sequence is divided into three bases to each section, which are called codons, the insertion or deletion of one of the bases can alter the codons completely, creating a different sequence, known as a frameshift. |
|
|
