Meiosis and Variation
5.0(1)
Studied by 12 people
View linked note
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt PlayCard Sorting
1/5
Last updated 4:32 AM on 1/13/23
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
6 Terms
1
New cards
What is the purpose of sexual reproduction?
To have the genetic makeup of offspring different from that of its parents.
2
New cards
What three factors are responsible for the genetic variation of all sexually reproducing organisms?
1. independent assortment
2. random fertilization
3. crossing over
3
New cards
What is independent assortment and when does it occur?
hhen genes that do not reside on the same chromosome may sot independent of one another; this happens during anaphase 1 of meiosis
4
New cards
What is crossing over and when does it occur?
when genetic information is exchanged between homologues, furthering the shuffling of genetic information; happens during prophase 1 of meiosis
5
New cards
With whom does the chromatid cross over with?
non-sister chromatids of homologous chromosomes
6
New cards
Which chromosomes do not have a homolog and thus do not usually cross over?
the Y chromosome
Flashcards (169)