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# Genetics

### Biology Problems: statistics (mean, variance, standard deviation, standard error), sequence of genes

47. Corn plants from a test plot are measured, and the distribution of heights at 10-cm intervals is recorded below. (see chart in attached file) Calculate (a) the mean height, (b) the variance (c) the standard deviation, and (d) standard error of the mean. 48. The genes dumpy wing (dp), clot eye (cl), and apterous wing

### Percentage of the offspring will have black fur

(1) Two inbred strains of mice, one strain with black fur and one strain with brown fur, were crossed. All of the offspring had black fur. If the offspring are bred together, what percentage of their offspring will have black fur? (2) Given the B and b alleles from the above question, and the T and t alleles which determine

### Multiple choice questions

1. Which of the following genotype below shows a pure dominant genotype? A) Aa B) aa C) AA D) AB 2. Genes that are located at the same position on homologous chromosomes are called A) recessive B) dominant C) alleles D) albinism 5. Which of the following would represent the sex chromosomes of a normal female? A) XX

### Using Probability to solve a genetic problems

Hi, I don't have a problem with the question itself but i don't understand how my textbook use probabilty in solving the problem. How many genetically different eggs could be formed by a women with the following genotypes? Aa bb CC DD Now it's obvious that one gamete will have (A b C D) and the other gamete will hav

### 4 genetics questions

1. Draw all possible chromosome configurations in Metaphase I with a dihybrid AaBb. 2. Do the same things as in question 1 for the genotype AaBbCc. 3. How many types of gametes would result from a dihybrid AaBb? What are they? 4. What portion of the zygotes will be a. AaBBCc? b. AABBCc? c. AaBbCc?

### Genetics

For the problems attached please show the symbols used in human pedigree analysis and/or Punnett Square if needed. Please also explain answers. Thank you! --- 1. A sex-linked recessive allele c produces a red-green colorblindness in humans. A normal woman whose father was colorblind carries a colorblind man. a. What

### Genetics

1. a. The ability to taste the chemical phenylthiocarbamide is an autosomal dominant phenotype, and the inability to taste it is recessive. If a taster woman with a nontaster father marries a taster man who in a previous marriage had a nontaster daughter, what is the probability that their first child will be (1) A nontaster

### Basic components of a cell

What are the basic components of a cell?

### DIHYBRID CROSSES WITH INCOMPLETE DOMINANCE

DIHYBRID CROSSES WITH INCOMPLETE DOMINANCE In cattle, polled is dominant to horned, and roan is the result of the heterozygous condition of the genes for red and white. What proportion of the offspring of a red, heterozygous polled bull and a roan, horned cow would be expected to be roan and horned? 25% SEX LINKAGE

### DNA and Biodiversity

The development of DNA and genetic analysis has opened up a whole new branch of biological investigation: molecular phylogeny. DNA analysis has been used to reclassify a great number of organisms. These ultra-sensitive techniques have been able to reveal previously imperceptible relationships between both living and extinct orga

### Expected phenotypic ratios

I need to be able to list the work and list the expected phenotypic ratios for the following crosses: A. If a red cow is bred with a white bull, all offspring are roan, which have red and white hairs intermixed on the hide. I know this is an example of co-dominance, but what are the results of roan x roan? B. If solid x sp

### Biomimicry techniques.

There is an international conference that has been called to promote research in biomimicry that will have applications in genetic engineering and in biotechnology. The research and Development Corporation uses biomimicry techniques to look for antibiotics produced by fungi. You have been asked to present at conference. You

### One or two structural and functional differences between prokaryotic and eukaryotic cells

Identify and describe one or two structural and functional differences between prokaryotic and eukaryotic cells that you believe contribute to the ability of eukaryotic cells to form the specialized cells and structures found in multicellular organisms. While there are several differences between prokaryotic and eukaryotic cells

### The chromosome number of stage E

STUDY FIGURE 16-2. Then, in the space at the left, write the letter of the terms or phrase that correctly answers each question or best completes each statement. -The chromosome number of stage E is haploid is diploid is alike for all different species cannot be determined -The chromosome number of st

### Genetic Mitosis & Meiosis

1) According to the Law of Segregation, in an organism with the genotype AaBb what types of gametes will be formed? AB Ab aB ab 2) In garden peas, the allele for tall plants is dominant over the allele for short plants. A true-breeding tall plant is crossed with a short plant and one of their offspring is self-pollina

### DNA and Heredity

The Planning ,Research and Development , Corp. is seeking grant money to continue their investigation on the relationship between DNA and heredity. You want to apply for the grant money to continue your internship research project . You thought it would help your case if you research projects w

### Drosophila

Kruppel and giant are 2 gap genes in drosophila for which the maternal effect gene bicoid serves as a transcriptional activator. Bicoid protein is present in an concentration gradient in the drosophila embryo, with the highest levels at the anterior end and progressively lower levels as one moves toward the posterior pole. a)

### Genetic / Evolution in the Last Century

Early in the last century, English physician Archibald Garrod noticed that about half the albinos he saw in the course of his practice were the children of first cousins who had married each other. In almost all of the cases of albinism that he saw, whether or not the parents were related to each other, both of the parents were

### Evolution of Man

So we are 98% genetically the same as apes. How do we know this, how is this possible, and what theories/laws does this support?

### Genes to Protein

What is the sequence of events that takes place to go from gene to protein. I know there is a set of nucleic acids involved in this process. Identify these nucleic acids and explain their function in the process.

### Sicle Cell Anemia

I am reading that sickle-cell anemia is a disease that is genetically prevalent in populations of African and middle eastern decent. How is it that a parent can have the disease and not the offspring and vice versa? Can you provide simple to understand websites for me to continue research on this topic?

### Biotechnology and Genetic Engineering

Biotechnology and genetic engineering is changing rapidly. Do you think this pace is safe? Why or why not? What are your thoughts on cloning, genetic screening and manipulation? Can you explain your stand briefly and also provide me with a couple of references that I can use for better understanding? I need websites and verbiag

### Human Behavior - Heredity and Hormones

Compare and contrast the influence of heredity and hormones of human behavior.

### Vectors

Briefly describe the purpose of the following features found in all or many plasmid cloning vectors. a) origin of replication (ori) b) multiple cloning site (polylinker) c) antibiotic resistane gene

### Gene insertion through transgenic technology

In order to study the function of a gene you have cloned in the mouse, you decide to inactivate it using transgenic technology. Using recombinant DNA techniques, you construct a modified version of the cloned gene by introducing an antibiotic resistance gene into middle of it. Into what kind of cells you will need to introduc

### Calculate base pairs (Dna fingerprinting)

In exercise 9 of my lab manual which i attached i need someone to take my distances and calculate base pairs and put it on the graph on page 81. Also tell me which suspect matches the crime scene. My distances are Hind II=20mm,23,25,30,38,39, Crime scene=33,35,52, Suspect 1=37,48,50, s2=27,32,35,41,46, s3=30,33,36,50, s4=37,47,

### Genetics Problems of All Types

Attached are some genetics problems that i have some trouble solving. Please solve these problems (showing work as to how you arrived at the solutions with the answers).

### Encoding a protein with a pair of conflicting signal sequences

Imagine you have engineered a set of genes, each encoding a protein with a pair of conflicting signal sequences that specify different compartments. If the genes wer expressed in a cell, predict which signal would win out for the following combinations. Explain. a. Signals for import into the nucleus and import into the ER

### Biology problems

1. A species of wren arrives on a chain of volcanic islands off the coast of New Zealand that previously had no wrens. After several thousand years, wrens from these islands are able to interbreed with occasional migrants from the mainland, but the resulting offspring are poorly adapted to compete with the local wrens and produc