Exam1,2010 - Evolutionary Biology Homepage
... 28. In humans, the male has an X and Y sex chromosome. The human female has two X chromosomes. In birds, the female has a Z and a W sex chromosome while the male has two Z chromosomes. Which of the following statements is accurate about which parent controls the gender of the offspring? (A) In human ...
... 28. In humans, the male has an X and Y sex chromosome. The human female has two X chromosomes. In birds, the female has a Z and a W sex chromosome while the male has two Z chromosomes. Which of the following statements is accurate about which parent controls the gender of the offspring? (A) In human ...
Drosophila handout
... 101-102). Each numbered unit is divided into six lettered regions, A-F, and each letter into some number of bands, depending on what Bridges saw. The correlation of these polytene maps and cloned DNA can be accomplished by in situ hybridization, and polytene maps can be correlated with genetic maps ...
... 101-102). Each numbered unit is divided into six lettered regions, A-F, and each letter into some number of bands, depending on what Bridges saw. The correlation of these polytene maps and cloned DNA can be accomplished by in situ hybridization, and polytene maps can be correlated with genetic maps ...
Guide HERE
... A scientist named Dr. Smartee, wondered why his two favorite fish, Flotsem and Jetsem were not growing at the same rate. Flotsem, a male, was growing at a faster rate than Jetsem, also a male. He bought the fish at the same time and the fish salesman assured him that they were the same age. He thoug ...
... A scientist named Dr. Smartee, wondered why his two favorite fish, Flotsem and Jetsem were not growing at the same rate. Flotsem, a male, was growing at a faster rate than Jetsem, also a male. He bought the fish at the same time and the fish salesman assured him that they were the same age. He thoug ...
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 ...
1. Which of the following best describes the logic of hypothesis
... 75. All seed plants can be described as 1. Heterosporous with dominant gametophyte stage 2. Heterosporous with dominant sporophyte stage 3. Homosporous with dominant gametophyte stage 4. Homosporous with dominant sporophyte stage 5. None of the above accurately describe seed plants 76. All plants ha ...
... 75. All seed plants can be described as 1. Heterosporous with dominant gametophyte stage 2. Heterosporous with dominant sporophyte stage 3. Homosporous with dominant gametophyte stage 4. Homosporous with dominant sporophyte stage 5. None of the above accurately describe seed plants 76. All plants ha ...
Name
... A scientist named Dr. Smartee, wondered why his two favorite fish, Flotsem and Jetsem were not growing at the same rate. Flotsem, a male, was growing at a faster rate than Jetsem, also a male. He bought the fish at the same time and the fish salesman assured him that they were the same age. He thoug ...
... A scientist named Dr. Smartee, wondered why his two favorite fish, Flotsem and Jetsem were not growing at the same rate. Flotsem, a male, was growing at a faster rate than Jetsem, also a male. He bought the fish at the same time and the fish salesman assured him that they were the same age. He thoug ...
Biology—Midterm Study Guide
... 49. Which of the following describes an organism that has the genotype Bb? Heterozygous 50. A trait controlled by four alleles is said to have _____. Multiple Alleles 51. The passing of characteristics from parents to offspring. Heredity 52. A characteristic that is inherited. Trait 53. The branch o ...
... 49. Which of the following describes an organism that has the genotype Bb? Heterozygous 50. A trait controlled by four alleles is said to have _____. Multiple Alleles 51. The passing of characteristics from parents to offspring. Heredity 52. A characteristic that is inherited. Trait 53. The branch o ...
U4 Schedule Fall
... Analyze how cells grow, perform their jobs, and reproduce in terms of interphase, mitosis, and cytokinesis. Summarize the steps of mitosis and how this creates two (2) identical daughter cells. Describe how animal cells use specialized organelles (centrioles) to aid in cell division. Differentiate b ...
... Analyze how cells grow, perform their jobs, and reproduce in terms of interphase, mitosis, and cytokinesis. Summarize the steps of mitosis and how this creates two (2) identical daughter cells. Describe how animal cells use specialized organelles (centrioles) to aid in cell division. Differentiate b ...
1 Biol 101 Fall 2006 Exam 4 Study Guide: Cell
... D) does not metastasize. E) is cancerous. 27) You are the director of research for a drug company. A list of candidate drugs is brought to you. Which of the following shows the greatest promise as a cancer chemotherapy agent? A drug that A) causes cells to divide at a right angle from their usual or ...
... D) does not metastasize. E) is cancerous. 27) You are the director of research for a drug company. A list of candidate drugs is brought to you. Which of the following shows the greatest promise as a cancer chemotherapy agent? A drug that A) causes cells to divide at a right angle from their usual or ...
No Slide Title
... In guinea pigs, the gene for black fur is dominant over the gene for white fur. If a guinea pig with a gene for black fur and a gene for white fur mates with a guinea pig with two genes for white fur, what fraction of their offspring would likely have black fur? a. ¼ b. ½ c. ¾ d. 4/4 ...
... In guinea pigs, the gene for black fur is dominant over the gene for white fur. If a guinea pig with a gene for black fur and a gene for white fur mates with a guinea pig with two genes for white fur, what fraction of their offspring would likely have black fur? a. ¼ b. ½ c. ¾ d. 4/4 ...
Slide 1
... Crosses between F1 offspring produced 3:1 phenotypic ratio in F2 offspring The white-eyed trait appeared only in males Morgan concluded that a fly’s eye color was linked to its sex ...
... Crosses between F1 offspring produced 3:1 phenotypic ratio in F2 offspring The white-eyed trait appeared only in males Morgan concluded that a fly’s eye color was linked to its sex ...
Exam 2 form A key
... 20. Which of the following human cell types would contain 22 pairs of autosomes and 2 X chromosomes a. an unfertilized egg cell b. a sperm cell c. a male somatic cell d. a female somatic cell e. both a and d 21. Recombinant gametes are the result of a. mutation b. crossing over d. phenotypic plastic ...
... 20. Which of the following human cell types would contain 22 pairs of autosomes and 2 X chromosomes a. an unfertilized egg cell b. a sperm cell c. a male somatic cell d. a female somatic cell e. both a and d 21. Recombinant gametes are the result of a. mutation b. crossing over d. phenotypic plastic ...
Exam 2 form B key
... a. sex chromosomes of the same species can be of different sizes b. one sex may have fewer sex chromosomes than the other c. different sexes may be the heterogametic sex in different species d. some loci on the sex chromosomes may not contribute to determining sex e. all are true of sex chromosomes ...
... a. sex chromosomes of the same species can be of different sizes b. one sex may have fewer sex chromosomes than the other c. different sexes may be the heterogametic sex in different species d. some loci on the sex chromosomes may not contribute to determining sex e. all are true of sex chromosomes ...
AP Biology Meiosis Chapter 13 Guided Notes
... • Each pair of homologous chromosomes includes ______________________ from each parent • The 46 chromosomes in a human somatic cell are _____________________: one from the mother and one from the father • A ____________________ (2n) has two sets of chromosomes • For humans, the diploid number is __ ...
... • Each pair of homologous chromosomes includes ______________________ from each parent • The 46 chromosomes in a human somatic cell are _____________________: one from the mother and one from the father • A ____________________ (2n) has two sets of chromosomes • For humans, the diploid number is __ ...
8 Cell Division
... 6. What are the phases of meiosis? Are the events in Part I the same as the events of Part II? What happens in each phase? Practice this with simulated chromosomes or draw it out! 7. What do the chromosomes look like during synapsis when they form tetrads? When do they do this? Why do they do this? ...
... 6. What are the phases of meiosis? Are the events in Part I the same as the events of Part II? What happens in each phase? Practice this with simulated chromosomes or draw it out! 7. What do the chromosomes look like during synapsis when they form tetrads? When do they do this? Why do they do this? ...
Insect Karyotype Analysis 1617 - Natomas Unified School District
... A karyotype is a picture in which the chromosomes of a cell have been stained so that the banding pattern of the chromosomes appears. Cells in metaphase are stained, and then photographed through the microscope and the photograph is enlarged. The chromosomes are cut from the photograph and arrange ...
... A karyotype is a picture in which the chromosomes of a cell have been stained so that the banding pattern of the chromosomes appears. Cells in metaphase are stained, and then photographed through the microscope and the photograph is enlarged. The chromosomes are cut from the photograph and arrange ...
Inheritance Intro
... You inherit half your chromosomes from your mother and half from your father. How many chromosomes do you inherit from each parent? ...
... You inherit half your chromosomes from your mother and half from your father. How many chromosomes do you inherit from each parent? ...
(3) Ch 6 Review Game
... • This term refers to the number of chromosomes in the parent cell at the BEGINNING of the process. • This term refers to the number of chromosomes in each cell at the END of the process. ...
... • This term refers to the number of chromosomes in the parent cell at the BEGINNING of the process. • This term refers to the number of chromosomes in each cell at the END of the process. ...
7.1 Reinforcement
... KEY CONCEPT The chromosomes on which genes are located can affect the There are two types of chromosomes: autosomes and sex chromosomes. Genes on the sex chromosomes determine an organism’s sex. Autosomes are all of the other chromosomes, and they do not directly affect sex determination. Gene expre ...
... KEY CONCEPT The chromosomes on which genes are located can affect the There are two types of chromosomes: autosomes and sex chromosomes. Genes on the sex chromosomes determine an organism’s sex. Autosomes are all of the other chromosomes, and they do not directly affect sex determination. Gene expre ...
Document
... O Many phenotypic traits, however, arise from the interaction of multiple pairs of genes. Such traits are called polygenic traits. Traits such as skin color, height, eye color, and fingerprint pattern are ...
... O Many phenotypic traits, however, arise from the interaction of multiple pairs of genes. Such traits are called polygenic traits. Traits such as skin color, height, eye color, and fingerprint pattern are ...
DNA - eduBuzz.org
... Every living organism has a characteristic number of chromosomes and each one of their cells contains an identical copy of these chromosomes. This is important to ensure that every cell has all of the characteristics of the organism. This characteristic number is known as the chromosome complement a ...
... Every living organism has a characteristic number of chromosomes and each one of their cells contains an identical copy of these chromosomes. This is important to ensure that every cell has all of the characteristics of the organism. This characteristic number is known as the chromosome complement a ...
Karyotyping
... problems with a person’s growth, development, and body functions. A few of the abnormalities that can be found are Down syndrome, Turner syndrome, Klinefelter’s syndrome and the Philadelphia chromosome. Down syndrome is caused by an extra number 21 chromosome. Turner syndrome is a defect that result ...
... problems with a person’s growth, development, and body functions. A few of the abnormalities that can be found are Down syndrome, Turner syndrome, Klinefelter’s syndrome and the Philadelphia chromosome. Down syndrome is caused by an extra number 21 chromosome. Turner syndrome is a defect that result ...
Mukai, T.
... these experimental chromosomes and a chromosome supposed to be idential to the original chromosome were estimated and the correlation coefficient between homozygote and heterozygote viabilities was calculated for each generation. The results showed significantly negative values. From these results i ...
... these experimental chromosomes and a chromosome supposed to be idential to the original chromosome were estimated and the correlation coefficient between homozygote and heterozygote viabilities was calculated for each generation. The results showed significantly negative values. From these results i ...
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).