pairs of genetic terms: A. Gene and trait: B. Gene and chromosome: C. Allele and gene: D. DNA sequence and amino acid sequence: Q3. For each of the following terms in the left column‚ choose the best matching phrase in the right column. a. phenotype 1. Having two identical alleles of a given gene b. alleles 2. The allele expressed in the phenotype of the heterozygote. c. independent assortment 3. Alternate forms of a gene. d. gametes 4. Observable
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REVIEW FOR TEST 4: GENETICS CHAPTER 12 -1406 CHAPTER 8- 1408 MITOSIS 1. Define: genome‚ gene‚ chromosomes‚ chromatin‚ binary fission‚ homologous chromosomes‚ sister chromatids‚ daughter chromosomes‚ somatic cells‚ gametes‚ centromere‚ kinetochore‚ karyokinesis‚ spindle fibers‚ kinetochore microtubules‚ nonkinetochore microbules‚ centrosome‚ asters 2. List differences between eukaryotic and prokaryotic genome. 3. A chromosome consists of ____ (60%) and ____ (40%).
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Cell Cycle Describe how major events of cell division that enable the genome of one cell to be passed on to two daughter cells. List the phases of cell cycle and describe the sequence of events that occurs during each phase. There are two main stages of the cell cycle‚ with multiple subdivisions within each. Interphase is the first stage‚ and it’s composed of G1 (contents of the cell are duplicated sans the chromosomes)‚ S (chromosomal duplication)‚ and G2 (checkpoints) phase. After interphase‚
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experiments using a dihybrid cross‚ in which he defined the law of independent assortment. Use two physical traits in dragons – Color and body covering. The color locus has two alleles: Green (G) which is dominant‚ and yellow (g) which is recessive. The skin locus also has two alleles: Scaled (S) is dominant to scaleless (s). a. What types of dragons would you use as the parental generation? b. What would be the phenotype(s) of the F1 generation dragons? c. Write out the genotypes of the F1 dragons
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Genetics and Heredity “Why We Look the Way We Do” Genes: Our Biological Blueprint Genes basic units of heredity that maintain their structural identity from one generation to another. the biochemical units of heredity that make up the chromosomes a segment of DNA capable of synthesizing a protein Genes are aligned along chromosomes (strands of genes) and come in pairs. Chromosomes threadlike structures made of DNA molecules that contain the genes DNA (deoxyribonucleic
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was expected was due to genetic drift. As genes were passed down from parent to child‚ the genes were in a battle as to who was going to be the champ. With generations passing‚ the heterozygotes were going downhill‚ while the homozygotes were taking the upper hand. While we might know more if we examined multiple generations‚ all we can tell is from a snapshot in time from one generation. According to a test that was studied by Wooding‚ the taster gene is an interesting one to follow. After studying
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beans and 25 dark-colored beans into a bag. The 100 beans represent your initial gene pool. The light beans represent the F alleles‚ and the dark beans represent the f alleles. This is the gene pool produced by mating between heterozygous (Ff) and homozygous normal (FF) individuals. Use the following to determine the number of dominant alleles in the population and the same formula to determine the number of recessive alleles in the population. number of offspring with genotype FF (two dark beans)
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crossed respectively to determine the dominant behavioural phenotype. The first reciprocal cross was then carried out in vial two to define whether or not the behavioural phenotype is x-linked recessive. According to the results obtained from vial one‚ when the wild type hyper female and wild type mellow male was crossed‚ the resulting offspring’s phenotypes were all wild type hyper. This cross shows that the hyper behavioral phenotype can be considered dominant in comparison to mellow. In the reciprocal
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laws of heredity from his studies with pea plants in the late 1800s. Mendel’s fundamental genetic principles may be applied to a variety of traits from many different organisms. Each genetic trait‚ such as flower color‚ is regulated by a pair of genes called alleles. These alleles are found at particular places on the chromosomes called loci. During meiosis‚ each pair of alleles splits up or segregates so that only one allele from each pair is contained within a gamete (egg or sperm.) This is
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Reported by: Alejaga‚ Roxanne Mae B. Aleligay‚ Norimie S. OBJECTIVES: After studying this chapter‚ the students should be able to: 1. Know the interrelationship between heredity and the environment in human growth and development. 2. Appreciate the significance of pre-natal development to post-natal development. 3. Identify the different aspects of development. 4. State and explain the principles of heredity. 5. Understand the different stages of development that an individual will
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