Mendelian Genetics II: Probability
... two dice? (1 and 1) – Chance of rolling 1 with first die = 1/6 – Chance of rolling 1 with second die = 1/6 – Chance of rolling two 1’s = 1/6 X 1/6 = 1/36 • We used product law when calculating probabilities by the forked-line method. ...
... two dice? (1 and 1) – Chance of rolling 1 with first die = 1/6 – Chance of rolling 1 with second die = 1/6 – Chance of rolling two 1’s = 1/6 X 1/6 = 1/36 • We used product law when calculating probabilities by the forked-line method. ...
Biology Unit Review
... Plasmodium spends part of its life cycle in ___________________ and the other part in human hosts where it ultimately infects and ruptures blood cells in large numbers. The disease it causes is called _____________________________________________. ...
... Plasmodium spends part of its life cycle in ___________________ and the other part in human hosts where it ultimately infects and ruptures blood cells in large numbers. The disease it causes is called _____________________________________________. ...
Genes and Chromosomes ppt
... The same is true for codominant alleles…both are equally expressed within a phenotype. Written as a capital letter with a superscript HR or HW means the trait is hair color and red and white are both dominant. ...
... The same is true for codominant alleles…both are equally expressed within a phenotype. Written as a capital letter with a superscript HR or HW means the trait is hair color and red and white are both dominant. ...
Sordaria
... quadrant with the strain that will be placed there. 2. Sterile techniques must be utilized at all times. Gently dip a spatula in alcohol and flame lightly to sterilize. Use the spatula to cut and remove a square of the growing Sordaria from the stock plate. Place the square in its respective locatio ...
... quadrant with the strain that will be placed there. 2. Sterile techniques must be utilized at all times. Gently dip a spatula in alcohol and flame lightly to sterilize. Use the spatula to cut and remove a square of the growing Sordaria from the stock plate. Place the square in its respective locatio ...
BI 102 – General Biology Instructor: Waite Quiz 3 Study Guide Quiz
... Know the difference between heterozygotes and homozygotes. How are genotype and phenotype different? Be able to identify examples. What does a Punnett square tell you? Be able to complete and evaluate Punnett squares. Genes on the same chromosome are said to be linked and are therefore usually inher ...
... Know the difference between heterozygotes and homozygotes. How are genotype and phenotype different? Be able to identify examples. What does a Punnett square tell you? Be able to complete and evaluate Punnett squares. Genes on the same chromosome are said to be linked and are therefore usually inher ...
Document
... rich in organic material. Half of the organisms are exposed to full sunlight, and half are kept in constant darkness. The group that receives sunlight grows and thrives, but the group that is kept in darkness gradually dies. In which kingdom should the new species be classified? ...
... rich in organic material. Half of the organisms are exposed to full sunlight, and half are kept in constant darkness. The group that receives sunlight grows and thrives, but the group that is kept in darkness gradually dies. In which kingdom should the new species be classified? ...
C. Would you expect cells treated with methotrexate to produce
... offspring from a mating between them. The larger chromosome is chromosome I, and the smaller chromosome is chromosome II. Remember that karyotypes are made using metaphase chromosomes, so each chromosome shown contains two sister chromatids, though they cannot be distinguished from one another, as t ...
... offspring from a mating between them. The larger chromosome is chromosome I, and the smaller chromosome is chromosome II. Remember that karyotypes are made using metaphase chromosomes, so each chromosome shown contains two sister chromatids, though they cannot be distinguished from one another, as t ...
Unit 7: Genetics
... 1. Be able to define and utilize the following key terms of genetics: a. gene: a section of DNA that carries a trait. b. allele: a form of a gene c. dominant: a trait that when present will be expressed (seen). d. recessive: a trait that will only be seen when it is the only one present. e. genotype ...
... 1. Be able to define and utilize the following key terms of genetics: a. gene: a section of DNA that carries a trait. b. allele: a form of a gene c. dominant: a trait that when present will be expressed (seen). d. recessive: a trait that will only be seen when it is the only one present. e. genotype ...
Modification of centromere structure: a promising
... investigation. This is a slow process due to the many (usually 8 to 10) generations required to reach nearly complete homozygosity. In some species, it is possible to induce haploid (1n) sporophyte individuals from a highly heterozygous parent plant. The haploid can then be induced to double its chr ...
... investigation. This is a slow process due to the many (usually 8 to 10) generations required to reach nearly complete homozygosity. In some species, it is possible to induce haploid (1n) sporophyte individuals from a highly heterozygous parent plant. The haploid can then be induced to double its chr ...
Chromosomal Mutations
... Turner’s Syndrome • Due to nondisjunction • Monosomy- the condition in which there is a missing chromosome. • Sex chromosome make up is X only • Females that will not undergo puberty. ...
... Turner’s Syndrome • Due to nondisjunction • Monosomy- the condition in which there is a missing chromosome. • Sex chromosome make up is X only • Females that will not undergo puberty. ...
Slide 1
... Turner’s Syndrome • Due to nondisjunction • Monosomy- the condition in which there is a missing chromosome. • Sex chromosome make up is X only • Females that will not undergo puberty. ...
... Turner’s Syndrome • Due to nondisjunction • Monosomy- the condition in which there is a missing chromosome. • Sex chromosome make up is X only • Females that will not undergo puberty. ...
Chapter 10
... In humans, pointed eyebrows (B) are dominant over smooth eyebrows (b). Mary’s father has pointed eyebrows, but she and her mother have smooth. ...
... In humans, pointed eyebrows (B) are dominant over smooth eyebrows (b). Mary’s father has pointed eyebrows, but she and her mother have smooth. ...
Congenital_and_Hereditary_Diseases_9
... Trait Predominance (2 of 2) • Children will express a dominant allele when one or both chromosomes in a pair carry it • A recessive allele is expressed only if both chromosomes carry the recessive alleles • For example, a child may receive a gene for brown eyes from one parent and a gene for blue e ...
... Trait Predominance (2 of 2) • Children will express a dominant allele when one or both chromosomes in a pair carry it • A recessive allele is expressed only if both chromosomes carry the recessive alleles • For example, a child may receive a gene for brown eyes from one parent and a gene for blue e ...
X w
... Staining and specific banding pattern allows you to line up and identify various chromosomes Down's syndrome results from an individual possessing three copies of chromosome 21 rather than the normal two. It is the most common of all human defects and occurs in 1/200 conceptions and 1/900 births. ...
... Staining and specific banding pattern allows you to line up and identify various chromosomes Down's syndrome results from an individual possessing three copies of chromosome 21 rather than the normal two. It is the most common of all human defects and occurs in 1/200 conceptions and 1/900 births. ...
Unit 4: Inheritance and Variation of Traits
... Unit Overview DNA, in the form of chromosomes, passes genetic information from one generation to the next. Environmental and genetic causes of mutation result in variation within a population. ...
... Unit Overview DNA, in the form of chromosomes, passes genetic information from one generation to the next. Environmental and genetic causes of mutation result in variation within a population. ...
Mitosis
... Humans have two sets of chromosomes, one inherited from each parent. Diploid Cells: Cells whose nuclei contain two homologous sets of chromosomes (2n). Somatic ...
... Humans have two sets of chromosomes, one inherited from each parent. Diploid Cells: Cells whose nuclei contain two homologous sets of chromosomes (2n). Somatic ...
CHAPTER 12 MEIOSIS AND SEXUAL LIFE CYCLES
... • Meiosis is a special type of cell division that produces haploid cells and compensates for the doubling of chromosome number that occurs at fertilization. • Meiosis in humans produces sperm cells and ova which contain 23 chromosomes. • When fertilization occurs, the diploid condition (2n=46) is re ...
... • Meiosis is a special type of cell division that produces haploid cells and compensates for the doubling of chromosome number that occurs at fertilization. • Meiosis in humans produces sperm cells and ova which contain 23 chromosomes. • When fertilization occurs, the diploid condition (2n=46) is re ...
Chapter 8: Mitosis - Cell Division and Reproduction
... Normal Genetic Complement of Humans: Females: 44 autosomes (22 pairs) + XX Males: 44 autosomes (22 pairs) + XY Note: In most cases, having additional or missing chromosomes is usually fatal or causes serious defects. Down’s syndrome: Trisomy 21. Individual’s with an extra chromosome 21. Most common ...
... Normal Genetic Complement of Humans: Females: 44 autosomes (22 pairs) + XX Males: 44 autosomes (22 pairs) + XY Note: In most cases, having additional or missing chromosomes is usually fatal or causes serious defects. Down’s syndrome: Trisomy 21. Individual’s with an extra chromosome 21. Most common ...
Patterns of Inheritance
... distance between linked genes and the frequency with which linked traits become separated? What is a gene map? 33. What is a sex-linked trait? Who worked with this phenomenon at Columbia University? What was the organism of choice for study? Why? 34. Who was Mary Lyon? What was her contribution? Exp ...
... distance between linked genes and the frequency with which linked traits become separated? What is a gene map? 33. What is a sex-linked trait? Who worked with this phenomenon at Columbia University? What was the organism of choice for study? Why? 34. Who was Mary Lyon? What was her contribution? Exp ...
X w
... Heterogametic sex- Producing gametes that contain two types of chromosomes (males in mammals and insects, females in birds and reptiles) ...
... Heterogametic sex- Producing gametes that contain two types of chromosomes (males in mammals and insects, females in birds and reptiles) ...
Lesson Plans Teacher: Robinson Dates: 12:5
... Are the cells resulting from mitosis identical to the original cells or are they unique? Notes/Discussion: Explain the concepts of gene segregation and independent assortment. Explain the process of crossing over. Explain how linked genes interfere with independent assortment. Group Review – Each gr ...
... Are the cells resulting from mitosis identical to the original cells or are they unique? Notes/Discussion: Explain the concepts of gene segregation and independent assortment. Explain the process of crossing over. Explain how linked genes interfere with independent assortment. Group Review – Each gr ...
Ploidy
Ploidy is the number of sets of chromosomes in a cell. Usually a gamete (sperm or egg, which fuse into a single cell during the fertilization phase of sexual reproduction) carries a full set of chromosomes that includes a single copy of each chromosome, as aneuploidy generally leads to severe genetic disease in the offspring. The gametic or haploid number (n) is the number of chromosomes in a gamete. Two gametes form a diploid zygote with twice this number (2n, the zygotic or diploid number) i.e. two copies of autosomal chromosomes. For humans, a diploid species, n = 23. A typical human somatic cell contains 46 chromosomes: 2 complete haploid sets, which make up 23 homologous chromosome pairs.Because chromosome number is generally reduced only by the specialized process of meiosis, the somatic cells of the body inherit and maintain the chromosome number of the zygote. However, in many situations somatic cells double their copy number by means of endoreduplication as an aspect of cellular differentiation. For example, the hearts of two-year-old children contain 85% diploid and 15% tetraploid nuclei, but by 12 years of age the proportions become approximately equal, and adults examined contained 27% diploid, 71% tetraploid and 2% octaploid nuclei.Cells are described according to the number of sets present (the ploidy level): monoploid (1 set), diploid (2 sets), triploid (3 sets), tetraploid (4 sets), pentaploid (5 sets), hexaploid (6 sets), heptaploid or septaploid (7 sets), etc. The generic term polyploid is frequently used to describe cells with three or more sets of chromosomes (triploid or higher ploidy).