Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
In Drosophilia, sex determination is the same as in the human. Normal flies encompass bright red eyes; a certain recessive sex-linked gene is responsible for white eyes. From a pure-breeding strain
In man, the determination of sex depends on whether the male sperm carries an "X" chromosome (resulted in a female) or a "Y" chromosome (resulted in a male).
With cow C, which is polled and red, a horned calf is produced. Describe the genotypes of all individuals; the bull, cows A, B, and C, and calves A, B, and C
A male is mated to some brown, short-haired females. These matings result in the given offspring: 11 brown, long-haired: 16 black, long-haired; 12 brown, short-haired; 15 black, short haired. Expres
A pure-breeding black, smooth guinea pig was mated to the pure-breeding white, rough female. They produced some litters, and eventually, five males and twenty females resulted from this mating.
In guinea pigs, black coat color (B) is dominant to white (b), and a rough coat (R) is dominant to smooth (r). Determine the expected genotypic and phenotypic results of the given crosses?
By using a Punnett Square, explain how feather color is inherited in the Andalusian chickens.
Explain the role of the given organs in the digestive system: stomach, liver, salivary glands, small intestine and gallbladder.
A chromosomally normal woman and a chromosomally normal man encompass a son whose sex-chromosome constitution is XYY. In which parent, and in which meiotic division did the non-disjunction occur?
Spider crabs live in shallow regions of the ocean floor, and greenish-brown algae lives on the crabs' backs, making the crabs blend in with their environment, and unnoticeable to predators.
Can a homozygous dominant individual be differentiated from a heterozygous individual based on the phenotype? Describe your reasoning.
A true-breeding plant that produces yellow seeds is crossed with a true-breeding plant that produces green seeds. The F1 plants have yellow seeds. What is the expected phenotypic ratio of seed color
Compare the observed and equilibrium heterozygosities. Does this propose to you any departures from the hardy-Weinberg conditions, and if so, what type of departure?
Describe the term binomial system of nomenclature? Who developed this system? Is the name Escherichia coli written correctly?
If humans have 46 chromosomes in each of their body cells, find out how many chromosomes you would expect to find in the given:
Analyze the often contradictory forces of altruism and profit as they influenced research associated to HeLe. What are the risks and merits of allowing profit to guide research?
Explain the biological and physiological effects of two of these on the brain and the nervous system: alcohol, barbiturates, amphetamines, marijuana and cocaine.
Select two of these sexually transmitted diseases and describe the effects and the possible long term effects of the disease on the male and the female: genital warts, herpes, gonorrhea and chlamydi
Explain the composition of soil, comprising both the living and nonliving components. In your explanation, explain what type of soil is best for most plants.
Explain the significance of plants in the ecosystem OTHER than their role as producers. This should comprise their role in soil holding, in the water cycle, in temperature, and in any other area in
Carbon dioxide is significant in our atomosphere as it is needed for photosynthesis and traps some heat, keeping the eath warm. Though, human produced carbon dioxide is a problem as it
Draw a food web which comprises humans, honeybees, cows, and three plants which are pollinated by bees: tomatoes, wheat, and alfalfa.
When describing a Patient's Bill of Rights in class we reviewed the case of Terri Schiavo. Her condition could have been resolved more quickly if prior to her hospitalization she would've -expressse
List and give a brief description of the seven categories of toxic responses which a biological system might have. 200 words APA Format.
In each and every case, give a description of a mutation or mutations which are most likely to have could have occurred. Describe how these mutations will effect the cell.