1 - WordPress.com
... DNA is made up of nitrogen bases, phosphates and sugars. 9. Describe how bases pair up in the DNA molecule. In DNA, A pairs up with T and G pairs up with C. 10. What is chromatin? Chromatin is the substance that makes up chromosomes. It is composed of DNA and protein. 11. How many chromosomes does a ...
... DNA is made up of nitrogen bases, phosphates and sugars. 9. Describe how bases pair up in the DNA molecule. In DNA, A pairs up with T and G pairs up with C. 10. What is chromatin? Chromatin is the substance that makes up chromosomes. It is composed of DNA and protein. 11. How many chromosomes does a ...
Chapter 6 - Lemon Bay High School
... Intercalary deletion is the loss within the interior of the chromosome. ...
... Intercalary deletion is the loss within the interior of the chromosome. ...
mutations
... Translocation: movement of a segment of DNA from one chromosome to another, which results in a change in the position of the segment Nondisjunction: failure of homologous chromosomes to separate during meiosis I or the failure of sister chromatids to separate during mitosis or meiosis II ...
... Translocation: movement of a segment of DNA from one chromosome to another, which results in a change in the position of the segment Nondisjunction: failure of homologous chromosomes to separate during meiosis I or the failure of sister chromatids to separate during mitosis or meiosis II ...
What do I have to know to feel confident and prepared for the DNA
... 10. How can we use biotechnology to predict the alleles for a lost person? We can use Short tandem repeats (STRs) in gel electrophoresis to separate the 2 alleles each person has. Once separated you can compare the position. If the alleles for two people are lined up at a set distance from the start ...
... 10. How can we use biotechnology to predict the alleles for a lost person? We can use Short tandem repeats (STRs) in gel electrophoresis to separate the 2 alleles each person has. Once separated you can compare the position. If the alleles for two people are lined up at a set distance from the start ...
File
... I. Remember, the result will be two cells that have one duplicated chromosome from each horirologous pair. 2.In the second box, show what your cell would look like at the end of meiosis II. Remember, the result will be four cells that have one (arduplicated) chromosome from each homologous pair. ...
... I. Remember, the result will be two cells that have one duplicated chromosome from each horirologous pair. 2.In the second box, show what your cell would look like at the end of meiosis II. Remember, the result will be four cells that have one (arduplicated) chromosome from each homologous pair. ...
1. What is the product of mitosis? 2.What is the product of meiosis?
... • You need to know: • Structure of DNA • Structures from DNA -> Chromosome • Steps of protein synthesis • Organelles involved in protein synthesis • How cancer occurs ...
... • You need to know: • Structure of DNA • Structures from DNA -> Chromosome • Steps of protein synthesis • Organelles involved in protein synthesis • How cancer occurs ...
cell cycle and cell division
... Zygotene, Pachytene, Diplotene and Diakinesis. During Leptotene long, thin, thread like chromatin undergoes coiling to form chromosomes showing bead like structures called chromomeres. During Zygotene synapsis occurs and the synaptic pair is called bivalents. During Pachytene the genetic crossing ov ...
... Zygotene, Pachytene, Diplotene and Diakinesis. During Leptotene long, thin, thread like chromatin undergoes coiling to form chromosomes showing bead like structures called chromomeres. During Zygotene synapsis occurs and the synaptic pair is called bivalents. During Pachytene the genetic crossing ov ...
Cell Cycle Notes
... Cytokinesis “division of the cell cytoplasm”. It is the physical separation of the cytoplasm into two new daughter cells. It is the end of cell division. New cells pinch off from each other in animal cells. In plants, a cell plate is formed, because plants also have cell walls to form. ...
... Cytokinesis “division of the cell cytoplasm”. It is the physical separation of the cytoplasm into two new daughter cells. It is the end of cell division. New cells pinch off from each other in animal cells. In plants, a cell plate is formed, because plants also have cell walls to form. ...
Mitosis
... 20. If a pea plant that is heterozygous for round, yellow peas (RrYy) is crossed with a pea plant that is homozygous for round peas but heterozygous for yellow peas (RRYy), how many different kinds of phenotypes are their offspring expected to show?2 21. Incomplete dominance is when one allele is no ...
... 20. If a pea plant that is heterozygous for round, yellow peas (RrYy) is crossed with a pea plant that is homozygous for round peas but heterozygous for yellow peas (RRYy), how many different kinds of phenotypes are their offspring expected to show?2 21. Incomplete dominance is when one allele is no ...
Mitosis
... 20. If a pea plant that is heterozygous for round, yellow peas (RrYy) is crossed with a pea plant that is homozygous for round peas but heterozygous for yellow peas (RRYy), how many different kinds of phenotypes are their offspring expected to show?2 21. Incomplete dominance is when one allele is no ...
... 20. If a pea plant that is heterozygous for round, yellow peas (RrYy) is crossed with a pea plant that is homozygous for round peas but heterozygous for yellow peas (RRYy), how many different kinds of phenotypes are their offspring expected to show?2 21. Incomplete dominance is when one allele is no ...
Genes, Chromosomes, and Numbers
... homologous chromosomes can actually break and exchange genetic material in a process known as crossing over. Website upload 2014 ...
... homologous chromosomes can actually break and exchange genetic material in a process known as crossing over. Website upload 2014 ...
linkage
... have the following phenotypic ratios: Monohybrid cross 3:1 Test cross 1:1 Dihybrid cross 9:3:3:1 Test cross 1:1:1:1 These are due to the fact that genes are on different chromosomes and they segregate when the gametes are formed. ...
... have the following phenotypic ratios: Monohybrid cross 3:1 Test cross 1:1 Dihybrid cross 9:3:3:1 Test cross 1:1:1:1 These are due to the fact that genes are on different chromosomes and they segregate when the gametes are formed. ...
Heredity Power Point - Auburn School District
... A. What is color blindness? B. How many people are color blind? C. What careers can’t you do if you are color blind? D. Who is more likely to be color blind? Boys/girls? E. What are the most colors that color blind people can’t see? F. What countries have the most people that are ...
... A. What is color blindness? B. How many people are color blind? C. What careers can’t you do if you are color blind? D. Who is more likely to be color blind? Boys/girls? E. What are the most colors that color blind people can’t see? F. What countries have the most people that are ...
CP BIOLOGY: Semester 2 Final REVIEW
... semester. The final is not limited to this review guide. Review ALL notes, labs, activities, etc. MEIOSIS ...
... semester. The final is not limited to this review guide. Review ALL notes, labs, activities, etc. MEIOSIS ...
dragon genetics lab
... Mendel's law of segregation states that allele pairs separate or segregate during gamete formation, and randomly unite at fertilization. There are four main concepts involved in this idea. They are: 1. There are alternative forms for genes. This means that a gene can exist in more than one form. 2. ...
... Mendel's law of segregation states that allele pairs separate or segregate during gamete formation, and randomly unite at fertilization. There are four main concepts involved in this idea. They are: 1. There are alternative forms for genes. This means that a gene can exist in more than one form. 2. ...
Mendelian Genetics
... established at fertilization. As a basis for understanding this concept: » BI2. d. Students know new combinations of alleles may be generated in a zygote through the fusion of male and female gametes (fertilization). » BI2. e. Students know why approximately half of an individual’s DNA sequence come ...
... established at fertilization. As a basis for understanding this concept: » BI2. d. Students know new combinations of alleles may be generated in a zygote through the fusion of male and female gametes (fertilization). » BI2. e. Students know why approximately half of an individual’s DNA sequence come ...
Chapter 13 Meiosis
... gamete) have 23 pairs of chromosomes • A karyotype is an ordered display of the pairs of chromosomes from a cell • The two chromosomes in each pair are called homologous chromosomes, or homologs • Chromosomes in a homologous pair are the same length and shape and carry genes controlling the same inh ...
... gamete) have 23 pairs of chromosomes • A karyotype is an ordered display of the pairs of chromosomes from a cell • The two chromosomes in each pair are called homologous chromosomes, or homologs • Chromosomes in a homologous pair are the same length and shape and carry genes controlling the same inh ...
Punnett Squares and Pedigrees
... 3. Is it more likely for males or females to get hemophilia? _________ Explain your answer. _______________________________________ 4. Why were all the carriers in Queen Victoria’s family female? _______________________ ___________________________________ 5. How are pedigrees helpful in determining ...
... 3. Is it more likely for males or females to get hemophilia? _________ Explain your answer. _______________________________________ 4. Why were all the carriers in Queen Victoria’s family female? _______________________ ___________________________________ 5. How are pedigrees helpful in determining ...
Control of Chromosome Pairing and Genome Evolution in Disomic
... Suggests that rapid genome changes can occur in the early generations following interspecific hybridization and allopolyploid formation. This variation may enhance the rate of evolution of allopolyploids. The question remains, does such rapid change occur in other new allopolyploids? Case study 2: ...
... Suggests that rapid genome changes can occur in the early generations following interspecific hybridization and allopolyploid formation. This variation may enhance the rate of evolution of allopolyploids. The question remains, does such rapid change occur in other new allopolyploids? Case study 2: ...
Chromosome
A chromosome (chromo- + -some) is a packaged and organized structure containing most of the DNA of a living organism. It is not usually found on its own, but rather is complexed with many structural proteins called histones as well as associated transcription (copying of genetic sequences) factors and several other macromolecules. Two ""sister"" chromatids (half a chromosome) join together at a protein junction called a centromere. Chromosomes are normally visible under a light microscope only when the cell is undergoing mitosis. Even then, the full chromosome containing both joined sister chromatids becomes visible only during a sequence of mitosis known as metaphase (when chromosomes align together, attached to the mitotic spindle and prepare to divide). This DNA and its associated proteins and macromolecules is collectively known as chromatin, which is further packaged along with its associated molecules into a discrete structure called a nucleosome. Chromatin is present in most cells, with a few exceptions - erythrocytes for example. Occurring only in the nucleus of eukaryotic cells, chromatin composes the vast majority of all DNA, except for a small amount inherited maternally which is found in mitochondria. In prokaryotic cells, chromatin occurs free-floating in cytoplasm, as these cells lack organelles and a defined nucleus. The main information-carrying macromolecule is a single piece of coiled double-stranded DNA, containing many genes, regulatory elements and other noncoding DNA. The DNA-bound macromolecules are proteins, which serve to package the DNA and control its functions. Chromosomes vary widely between different organisms. Some species such as certain bacteria also contain plasmids or other extrachromosomal DNA. These are circular structures in the cytoplasm which contain cellular DNA and play a role in horizontal gene transfer.Compaction of the duplicated chromosomes during cell division (mitosis or meiosis) results either in a four-arm structure (pictured to the right) if the centromere is located in the middle of the chromosome or a two-arm structure if the centromere is located near one of the ends. Chromosomal recombination during meiosis and subsequent sexual reproduction plays a vital role in genetic diversity. If these structures are manipulated incorrectly, through processes known as chromosomal instability and translocation, the cell may undergo mitotic catastrophe and die, or it may unexpectedly evade apoptosis leading to the progression of cancer.In prokaryotes (see nucleoids) and viruses, the DNA is often densely packed and organized. In the case of archaea by homologs to eukaryotic histones, in the case of bacteria by histone-like proteins. Small circular genomes called plasmids are often found in bacteria and also in mitochondria and chloroplasts, reflecting their bacterial origins.