Brooks Biological Principles Exam 4 Questions & Answers 100% Verified

Blending Inheritance Theory - ANSWER-Theory that the traits of parents were blended together to result in an equal distribution of traits in their offspring 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)