Write your answers neatly and in good English. Try to answer every question. Check your answers if you have time at the end. Turn over P40124A ©2012 Pearson Education Ltd. *P40124A0128* 1/1/1/ Answer ALL questions. 1 The following organisms can be classified into major groups. Amoeba Lactobacillus bean Mucor mosquito (a) From the list above give the name of (4) (i) a bacterium (ii) a fungus (iii) a flowering plant (iv) an animal . . . . ..........................
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Chromosome 11 is one of the 23 pairs of chromosomes in humans. People normally have two copies of this chromosome. Chromosome 11 spans about 134 million base pairs (the building material of DNA) and represents between 4 and 4.5 percent of the total DNA in cells. Identifying genes on each chromosome is an active area of genetic research. Chromosome 11 likely contains between 1‚300 and 1‚700 genes. Genes on chromosome 11 are among the estimated 25‚000 total genes in the human genome. There are many
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(Fungus) 13 Neurospora (Fungus) 14 When scientist say that all living organisms share a universal genetic code it means DNA is called the universal genetic code because the structure and components of DNA are that all living organisms are related in some type of way. The universal genetic code relates to the hypotheses of life on earth by showing life originated from a single ancestor‚ the genetic code has more or less remained consistent. Life is a molecule that can rebuild itself
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Biology Test- Chapter 11: Introduction to Genetics Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Gregor Mendel used pea plants to study a. flowering. b. gamete formation. c. the inheritance of traits. d. cross-pollination. 2. Offspring that result from crosses between true-breeding parents with different traits a. are true-breeding. b. make up the F2 generation. c. make up the parental generation. d. are called hybrids. 3. The chemical
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Homologous Chromosomes and Sister Chromatids (HC and SC): Clearly distinguish between HC and SC pairs. Your answer should include the following: a clear distinction between ‘chromatin’ and ‘chromosome’‚ and how this difference affects gene expression; simple line diagrams to illustrate the difference between non-replicated and replicated DNA inchromatin and chromosome forms; afull description of both HC and SC with a labeled diagram that includes gene/allele sequences for a heterozygote and ‘m’
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characteristics are typical of this stage? Choose one answer. a. Chromosomes have split and chromatids are moving towards the opposite poles b. Chromosomes have reached opposite poles and are reorganizing to form two new nuclei c. Nuclear membrane and nucleolus have disappeared and chromosomes are forming d. Nucleus and nucleolus are clearly visible and centrioles are located just outside the nucleus e. Chromosomes have moved to the center of the mitotic spindle Identify the stage
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Chromosomes Mutations With the exception of the mother’s egg cells or the father’s sperm cells‚ every cell in the normal human body contains 23 pairs of chromosomes‚ totaling 46 in each cell called the diploid number. According to The Human Genome project there are over 30‚000 genes in every cell‚ spread unevenly across the chromosomes. Of the 23 pairs of chromosomes‚ one member is inherited from the mother‚ and one from the father. Members of each pair are called homologous. The first 22 pairs
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Meiosis Review Worksheet Pledge: _____1. If the sperm cell of a fruit fly has 4 chromosomes‚ then the number of chromosomes in each body cell is: a. 2 b. 4 c. 6 d. 8 e. 16 _____2. Of the following cells‚ the only one to have the haploid number of chromosomes is: a) skin b)muscle c) nerve d) connective e) ovum _____3. The diploid number is restored as a result of: a) differentiation
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Genetics Experimental Analysis Set #2 Linkage 1. In gorgonzolas‚ there are three recessive traits that affect the organism’s appeal: shrunken fruit‚ foul-smelling flowers‚ and short height. A heterozygote was crossed with a homozygote‚ yielding the following offspring: 46 - foul-smelling 44 - shrunken fruit‚ short height 8 - short height 8 - shrunken fruit 7 - foul-smelling‚ short height 6 - foul-smelling‚ shrunken fruit 3 - foul-smelling‚ shrunken fruit‚ short
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composition RNA basic features‚ base composition‚ what are all the different types of RNA? Nucleotide - what makes up one? What is it’s general structure? Mendel- basic concept of heredity‚ punett squares‚ genotype vs. phenotype‚ homozygous‚ heterozygous‚ what is an allele‚ dominant allele recessive allele Two general classes of genetics and what makes up each one Relationship of a gene to locus to allele to chromosome What organisms do we do research on? Why? Eukaryotes? Prokaryotes? Basically
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