Genetics Final Review

Science

Q. In 1953 what structure was determined, as well as its role, as a hereditary material for various organisms?
Q. Nuclear envelope dissolves in prometaphase
Q. With incomplete dominance, a likely ratio resulting from a mono hybrid cross would be?
Q. Classic hemophilia is inherited as an X linked recessive trait
Q. Klinefelter and turner syndrome have how many chromosomes?
Q. The sex in humans for the male are
Q. Which of the following human genetic conditions is missing a chromosome?
Q. All sons of a man with a Y-linked disorder will not inherit the condition from their father.
Q. kinetochore Is a multi protein complex which attaches to the centromere
Q. A test cross determines if individual displaying dominant phenotype is homozygous or heterozygous for that trait
Q. A dominant trait is one that
Q. Which of the following is a way that the Study of genetic influences society?
Q. Genetic counseling usually involves providing information to patients with genetic disorders and hereditary conditions and helping patients to understand the diagnosis, symptoms and treatment, and mode of inheritance of the genetic disorder.
Q. The centromere of a chromosome separate during what?
Q. Codominant and incomplete dominance are the same
Q. The zygote that results from fertilization inherits one nuclear allele of each gene from each parent (that is, at the three example loci, it is Aa, Bb and Cc). By contrast, the cytoplasmic organelles characteristically contain multiple, homogeneous genomes that are usually inherited from one parent only (in this example, and most commonly, the female parent).
Q. Which regions of the X chromosome recombine with Y chromosomes during meiosis?
Q. Mutations that limit reproduction are
Q. A condition in which one gene pair masks the expression of a non-allelic gene pair:
Q. Which of the following would hemizygosity most likely be associated with?
Q. A trait more readily express is in 16 compared to the other is called sex influence trait
Q. Polly dactyl is an example for penetrance
Q. Assuming a typical mono hybrid cross has one allele that is dominant to the other, what ratio is expected if the F1's are crossed
Q. During gamete formation ________ assortment is when segregated pairs of unit factors sort independently of each other.
Q. The probability of a recessive trait to express itself in consanguineous marriage is?
Q. When there are more than two alternative forms of a given gene these are called ______ _____.
Q. The housefly; musica domestica, has a haploid chromosome number of six how many chromatids should be present in a diploid somatic, metaphase cell?
Q. Unicellular organisms like bacteria divide by binary fission.
Q. In studies of human genetics,when pedigrees are developed, usually a single individual, referred to as _______, brings a condition to the attention of a scientist or a physician.
Q. Sex in Drosophila is determined by
Q. _________ organisms are organisms whose cells have a nucleus and other organelles enclosed by a plasma membrane.
Q. A small part of the human Y-chromosome that contains a gene responsible for male development is called the ______ gene.
Q. _____ _________ occur when two or more allelic or non-allelic genes of same genotype influence the outcome of particular phenotypic characters.
Q. This species occur in the same area, but they occupy different habitats and rarely encounter each other
Q. What type of isolation is caused by differences in courtship or mating behaviors?
Q. What type of isolation is when two species breed at different times of day, season, or years?
Q. In _________ isolation, morphological differences can prevent successful mating.
Q. When spern cannot fertilize the eggs, this is called ________ isolation.
Q. When mating occurs, but offspring are sterile or inviable:
Q. in ________, a single species evolves into a different species.
Q. ___________ is evolution through the branching of a species or a lineage.
Q. A species is a group of organisms that are closely related and can mate to produce fertile offspring.
Q. The theory of _________ states that organisms change and develop over time to adapt an increase rate of survival.
Q. The formation of new species in populations that are geographically isolated from one another:
Q. ___________ speciation is a speciation without a divided population.
Q. in __________ speciation, the process of speciation occurs with geographic isolation
Q. Charles Darwin, an English naturalist, studied the plants and animals of South America and the Pacific islands. In his book, the Origin of Species by Means of Natural Selection (1859), set forth his theory of evolution. Studied finches foind in galápagos island.
Q. The evolutionary history of a species or group of related species is called ___________.
Q. ______ structures are similar structures in different species of common ancestry.
Q. may result in the evolution of new proteins:
Q. What is an example in humans that show evidence of exon shuffling?
Q. The transfer of genes from one genome to another through mechanisms such as transposable elements, plasmid exchange, viral activity, and perhaps fusions of different organisms are called __________ gene transfer.
Q. What results from unequal crossing over?
Q. transfer of genes from an organism to its offspring:

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