Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
33 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Why didn't most scientists initially believe that chromosomes were responsible for inheritance? |
Because they didn't see how 46 chromosomes make millions of different possibilities. |
|
|
|
Not all traits on a chromosome are linked together because of? |
Crossing over happening |
|
|
|
If A and B are linked then the AB and ab the possible genotypes would be? |
50% / 50% split of AB & ab |
|
|
|
If they are unlinked then the genotype breakdown would be? |
25% of AB, ab, Ab, aB. |
|
|
|
Shows the relative and related distance between genes? |
Recombination frequency |
|
|
|
The two types of chromosomal abnormality's are based on the? |
Structure and number |
|
|
|
A picture of all the chromosomes a person has? |
Caryotype |
|
|
|
Chromosomes are numbered based on their? |
Height |
|
|
|
The numbers that are out of order? |
21 and 22 |
|
|
|
In meiosis it causes disorders and chromosome numbers |
Nondisjunction |
|
|
|
Define Euploid? |
Having the correct number of chromosomes |
|
|
|
Define Anaploid? |
You don't have the correct number of chromosomes |
|
|
|
Define Monosomy? |
Having only one of a chromosome (fail to develop) |
|
|
|
Define Trisomy? |
Having 3 of a chromosome (most fail to develop) |
|
|
|
Trisomy 13 called? |
Patau syndrome |
|
|
|
Trisomy 18 called? |
Edward syndrome |
|
|
|
Trisomy 21 called? |
Down syndrome |
|
|
|
Sex chromosomes? |
Nodistructure cause an incorrect number of chromosomes X to be inherited |
|
|
|
Inactive X chromosomes are called? |
Barr Bodies |
|
|
|
Inactive X chromosomes are called? |
Barr Bodies |
|
|
|
Klinefelter Syndrome means a person has what chromosome abnormally? |
2X and 1Y in males |
|
|
|
Inactive X chromosomes are called? |
Barr Bodies |
|
|
|
Klinefelter Syndrome means a person has what chromosome abnormally? |
2X and 1Y in males |
|
|
|
Turners Syndrome means a person has what chromosome abnormality? |
1X in girls |
|
|
|
Triplo-X means a person has what chromosome abnormality? |
3X in girls |
|
|
|
Triplo-X means a person has what chromosome abnormality? |
3X in girls |
|
|
|
Chromosome duplications occur when? |
Duplications a part of the DNA when it wasn't suppose to be there |
|
|
|
Chromosome deletions occur when? |
Would remove a part that does not get replicated |
|
|
|
Inversions occur when? |
A selection of the DNA gets flipped |
|
|
|
Pericentric inversions |
Include the centromere |
|
|
|
Pericentric inversions |
Include the centromere |
|
|
|
Paracentric inversions are? |
On one side of the centromere |
|
|
|
Translocation are when a? |
Chromosomes will relocate to a different chromosome. |
(Nonhomologous) |
