Brooks Biological Principles Exam 4 Questions & Answers 100% Verified

Mendel's First Theory - ANSWER_The principle of segregation (First Law): The two members of a gene pair (alleles) segregate (separate) from each other in the formation of gametes Factors - ANSWER_Genes, separated during gametogenesis Allele - ANSWER_An alternative form of a gene. Genotype - ANSWER_An organism's genetic makeup, or allele combinations Phenotype - ANSWER_An organism's physical appearance, or visible traits. Dominant Trait - ANSWER_Will always show up in an offspring when it's allele is present Recessive Trait - ANSWER_a trait that is apparent only when two recessive alleles for the same characteristic are inherited Homozygous - ANSWER_An organism that has two identical alleles for a trait Heterozygous - ANSWER_An organism that has two different alleles for a trait Hybrid - ANSWER_Another term for heterozygous genotype AKA the F1 generation True Breeder - ANSWER_The P generation, homozygous breeding in which the parents with a particular phenotype produce offspring only with the same phenotype. Advantage of being diploid - ANSWER_you have two genes of each type (two chances of it working) Genome - ANSWER_All the genetic information in an organism; all of an organism's chromosomes. *all cells in an organism have the same genome, cell activates different genes depending on what type of cell it is* Locus - ANSWER_Location of a gene on a chromosome