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Progeny that exhibit mixing of maternal and paternal alleles on a single chromosome are said to be non-recombinant.   

The actions of at least one gene and the environment results in a multifactorial disease.   

The Law of Independent Assortment states that alleles of a given gene go into separate gametes during meiosis.   

If two parents are heterozygous for a genetically inherited dominant disorder, what is the probability their child will also have the disorder?   

A cross between two individuals with different phenotypes resulting in ~ 50% of each type of offspring would indicate the cross was ___.   

Penetrance is the percentage of individuals of a given genotype that express the trait coded for by that genotype.   

In a monohybrid cross, what is the genotypic ratio of the F2 generation?   

ESSAY QUESTION #1   Using materials from the course, only, list and briefly explain the five characteristics of model organisms. Note: Only the five characteristics discussed in the course shall be considered for grading. (5pts)   NOTE: When writing your essay response, be sure to write in essay format. Points are assigned for the proper use of grammar, spelling, and punctuation. I further expect to see well-constructed sentences with no errors in mechanics. I am not looking for what Google or Chat GPT provides you as an answer to this question. Only responses derived from course materials shall be accepted. 

Place the following structures in the order of development: morula, blastocyst, zygote, and gastrula.   

SHORT ANSWER QUESTION #2   Using materials from the course, only, name the four macromolecules found in living things. (2pts)