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1070 quiz 2

QuestionAnswer
Acrocentric having the centromere situated so that one chromosomal arm is much shorter than the other
Metacentric having the centromere medially situated so that the two chromosomal arms are of roughly equal length
Submetacentric having the centromere situated so that one chromosome arm is somewhat shorter than the other
Prophase I 2 sister chromosomes (homologous chromosomes) pair up (synapsis) & may crossover
Metaphase I homologous chromosomes line up in the middle of cell
Anaphase I Homologous chromosomes separate
Telophase I 2 daughter cells form (sister chromatids are still at
Prophase II the 2nd phase of meiosis
Metaphase II sister chromatids line up in the middle of cell
Anaphase II sister chromatids separate
Telophase II 4 daughter cells form (each with haploid #)
Trisomy 21 Downs syndrome facial deformities, and learning disabilities
Klinefelter's Syndrome extra X sex chromosome sterile, lack of testosterone
Trisomy 13 clef palate
Homozygous both genes the same AA
Heterozygous different genes Aa
Dominant A
Recessive a
Phenotype appearance of trait
Genotype what genes are present
Incomplete Dominance form of intermediate inheritance in which one allele for a specific trait is not completely dominant over the other allele combination of the dominant and recessive phenotypes.
Co-dominance a relationship between two versions of a gene neither allele is recessive and the phenotypes of both alleles are expressed.
Carl Linnaeus Father of Taxonomy
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species Dumb King Phillip Came Over For Gooseberry Soup
Bacteria this is the oldest and most abundant domain. Bacteria have strong cell walls containing peptidoglycan, and are prokaryotic and unicelluar. Some are autotrophic and others are heterotrophic.
Archaea rchaebacteria are prokaryotic, unicellular, and some are autotrophic while others are heterotrophic. their cell walls do not contain peptidoglycan. Also, their ribosomal proteins are more similar to those of eukaryotes than they are to bacteria
Eukarya contains the organisms in the remaining four kingdoms: Protista, Fungi, Plantae, and Animalia. These organisms are eukaryotic, and use sexual reproduction as part of their life cycle.
Created by: ashleyalicia
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