Mastering Bio Chapter 9 Practice Exam| Questions With Correct Answers| Latest Update Graded A+

Mastering Bio Chapter 9 Practice Exam| Questions With Correct Answers| Latest Update Graded A+ The scientist Jean Baptiste Lamarck proposed that if an individual acquired a particular characteristic, such as strength from lifting weights, this characteristic would be inherited by the organism's offspring. This same idea is also part of a more ancient idea, the idea of __________. pangenesis Mendel's view of the mechanism of heredity was radically different from the prevailing view of the time because he saw heredity working through _____. unchanging (immutable), heritable factors that were contributed by each parent and never mixed In a monohybrid cross, F2 refers to __________ the second filial generation, or the "grandchildren" of the original mating pair imagine a particular character (such as flower color) that is determined by a single gene. If this gene is present in two forms, how can you tell which allele is dominant and which is recessive? Perform a cross between two true-breeding individuals and observe the trait or traits expressed by the F1 individuals. In a standard monohybrid cross between purple-flowered and white-flowered peas, what fraction of the purple-flowered peas in the F2 generation would you expect to be true-breeding? 1/3 An insect that has the genotype EeGGcc will have the same phenotype as an insect with the genotype _____ EEGgcc In an individual of genotype Aa, where are the A and a alleles physically located? One allele is on one chromosome, and the other is in the same position (locus) on the homologous chromosome. Mendel's principle of independent assortment applies to the __________ independent assortment of alleles of one gene relative to the alleles of any other gene Assume that in cattle a spotted coat is dominant to an even coat, short horns are dominant to long horns, and the traits for coat type and horn length assort independently. In a cross between cattle that are each heterozygous for both traits, what proportion of their offspring are expected to have long horns? 1/4