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chromosomes

Chromosomes

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Biology
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Cytogenetics
chromosomes
Classical genetics
Genetics
Molecular genetics
Karyotype
Ploidy
Homologous chromosome
Somatic cell
Gamete
Sex-determination system
Autosome

Surface Area to Volume Ratio and Karyotypes Surface Area= Area of each side of an object combined (Ex= Cube has 6 sides so the surface area would be the area of each side added all together) Volume= The amount of space that an object occupies, length x width x height Surface area to volume ratio can be described as the bigger something is or the more volume, the less surface area. On the other hand, the smaller something is or the less volume, then the more surface area.

Pearson Ch 13 - Meiosis and Sexual Life Cycles

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Biology
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Molecular genetics
Cellular processes
cell cycle
chromosomes
Developmental biology
Meiosis
Homologous chromosome
Ploidy
Gamete
Sister chromatids
Chromatid
mitosis

Ch 13: Meiosis and sexual life cycles Concept 13.1: Offspring acquire genes from parents by inheriting chromosome Comparison of Asexual and Sexual Reproduction In asexual reproduction, a single individual passes genes to its offspring without the fusion of gametes A clone is a group of genetically identical individuals from the same parent In sexual reproduction, two parents give rise to offspring, through the fusion of gametes, that have unique combinations of genes inherited from the two parents Concept 13.2: Fertilization and meiosis alternate in sexual life cycle Sets of Chromosomes in Human Cells Human somatic cells (any cell other than a gamete) have 23 pairs of chromosomes The two chromosomes in each pair are called homologous chromosomes, or homologs

Pearson Ch 15 - The Chromosomal Basis of Inheritance

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Genetics
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Epigenetics
chromosomes
Y chromosome
Homologous chromosome
Genomic imprinting
X-inactivation
Genetic linkage
Allosome
X chromosome

Ch 15: The Chromosomal Basis of Inheritance and Gene Linkage Overview: Locating Genes on Chromosomes Mendel?s ?hereditary factors? were genes Today we can show that genes are located on chromosomes The location of a particular gene can be seen by tagging isolated chromosomes with a fluorescent dye that highlights the gene The chromosome theory of inheritance states: Mendelian genes have specific loci (positions) on chromosomes Chromosomes undergo segregation and independent assortment The behavior of chromosomes during meiosis can account for Mendel?s laws of segregation and independent assortment Concept 15.1: Mendelian inheritance has its physical basis in the behavior of chromosomes Morgan?s Experimental Evidence

Principles of Biology Macmillan Chapter 11

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Biology
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cell cycle
Cellular processes
Molecular genetics
mitosis
chromosomes
Meiosis
Cell growth
Sister chromatids
Homologous chromosome
cell division
Spindle apparatus
Chromosome

Biology Chapter 11 Cell Division: 11.1 A) Cell Division Cell Division: the process by which a single cell becomes two daughter cells Prokaryotic cells divide by binary fission Eukaryotic cells divide by Mitosis and Cytokinesis Ori = Origin of replication (code for replication ) B) Binary Fission FtsZ, a protein it encodes forms a ring at the site of constriction where the new cell wall forms between the two daughter cells (very similar to Tublin) Cell Division in bacteria and archaeon?s occurs by binary fission Together, mitosis and cytokinesis are known as mitotic cell division. M phase (mitosis and cytokinesis) alternates with interphase, which consists of G1, S (synthesis), and G2?phases. These four stages together constitute the cell cycle.

ap_bio_chap_10_meiosis.ppt

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Biology
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cell cycle
chromosomes
Molecular genetics
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mitosis
Meiosis
Chromatid
Homologous chromosome
Sister chromatids
Anaphase
Ploidy
Chromosome

0 10 Meiosis and Sexual Life Cycles Overview: Variations on a Theme Living organisms are distinguished by their ability to reproduce their own kind Heredity is the transmission of traits from one generation to the next Variation is demonstrated by the differences in appearance that offspring show from parents and siblings Genetics is the scientific study of heredity and variation Figure 10.1 Concept 10.1: Offspring acquire genes from parents by inheriting chromosomes In a literal sense, children do not inherit particular physical traits from their parents Inheritance of Genes Genes are the units of heredity and are made up of segments of DNA Genes are passed to the next generation via reproductive cells called gametes (sperm and eggs) Most DNA is packaged into chromosomes

Heredity and Behavior: Is it all in the Genes?

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Psychology
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chromosomes

Heredity and Behavior: Is it All in the Genes? Emily Moler Biological makeup is Intimately related to your behavior. Every cell in your body contains enduring messages from your mother and father These are found on the chromosomes that lie within nucleus Chromosomes Strand of DNA that carry genetic information There are 46 in each cell (except for the sex cells) and are found in 23 pairs, each half of the pair comes from either your mom or dad. Fertilization This is when a parent will give their genes to their child. The parents create a zygote, which is a single cell formed by the union of a sperm and an egg. Genes DNA segments that serve as the key functional units in hereditary transmission. They are found on chromosomes. More on Chromosomes
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