Briefly explain the three factors that contribute to genetic variability.

Briefly explain the three factors that contribute to genetic variability.
1. Independent assortment
2. Crossover of homologues
3. Random fertilization
Briefly describe the following. Provide an example for each.
1. Dominant-recessive inheritance
2. Incomplete dominance inheritance
3. Multiple-allele inheritance
4. Sex-linked inheritance
5. Polygene inheritance
6. Extranuclear (mitochondrial) inheritance (not really a pattern
What role, if any, do environmental factors play in gene expression?
What is genetic screening? Why do they determine pedigrees?
What do we mean by the following terms:
1. Homozygous trait
2. Heterozygous trait
3. Dominant gene
4. Recessive gene

Expert Solution

gladiator answered 2 years ago

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