Biology b final revie Samenvattingen, Aantekeningen en Examens
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Biology B Final Review 2023 with 100% correct answers
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What are alleles? How many alleles does an individual have for one particular trait? 
Alternative from of one gene. There are two alleles per trait. 
 
 
 
What are the sources of genetic variation in asexual and sexual organisms? 
1. Mutations 
2. Random Fertilization 
3. Independent Assortment 
4. Crossing Over 
 
 
 
What is the principle of independent assortment? 
Formation of random combinations of chromosomes in meiosis. 
 
 
 
A bird homozygous for black feathers and a bird homozygous fo...
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Biology B Final Review exam 2023 with 100% correct answers
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Describe how cell reproduction contributes to repair and to growth 
cells divide in 2 ways, meiosis and mitosis, this creates new cells that get rid of the old and damaged ones 
 
 
 
contrast the 2 main ways organisms reproduce 
mitosis: 1 round of division, daughter cells are genetically the same 
meiosis: 2 rounds of division, daughter cells arent genetically the same 
 
 
 
describe the structure of a chromosome 
the centromere is in the middle of the "X" and the tips of the "X" are iden...
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Biology B Final Review Q & A Rated 100% Correct!!
- Tentamen (uitwerkingen) • 6 pagina's • 2023
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Biology B Final Review Q & A Rated 100% Correct!!