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Chapter 16 starts off talking about Mendel's Law of Inheritance. We learn from Mendel that two alleles of a gene segregate during the formation of eggs and sperm so that every gamete receives only one allele. The next section is a very brief lesson that discusses the chromosome theory of inheritance. This theory explains how the steps of meiosis account for Mendel's laws of inheritance. Each is located at a particular locus on a chromosome. Section 16.3 discusses that inheritance patterns in humans are determined from a pedigree analysis. The next section talks about x-linked inheritance patterns and sex chromosomes. It is more likely for a male to be color blind because color blindness is determined by a recessive X chromosome and males only have one X chromosome. In section 5, we learn about recessive inheritance, incomplete dominance, codominance, and sex-influenced inheritance. The last section discusses the probability of a gene getting passes on to an offspring.
Helps explain that in codominance that codominant alleles encode proteins that function slightly differently from each other. The proteins are both expressed in the phenotype.
Great video. The teacher is very clear and distinct between codominance and incomplete dominance.
Scientists test the strength of each seed and determined that there is a codominance between the strengths of seed limitations vs. establishment limitation.
Chapter 16 Blog: Simple Patterns of Inheritance (Michael)
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