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1. There are 44 chromosomes in rabbit's germ cell. There are 8 alleles for a certain gene in the rabbit population. How many different alleles for this gene could be present in a single rabbit spermatozoid? (my answer: 1)
2. There are 48 chromosomes in each somatic cell of a gorilla. There are 2 alleles for a certain gene in the gorilla population. How many different alleles for this gene could be present in a single cell in meiosis II anaphase? (my answer: 2)
3. What are homologous chromosomes? ( my answer: chromosomes carry the same genes, and pair with each other during meiosis)
4. A diploid somatic cell from a rat has a total of 42 chromosomes. As in humans, sex chromosomes determine sex. What is the total number of DNA molecues in a rat cell in G2? ( my answer: 42)
5. In terms of "non disjunctions" and meiosis stages, what result in a human somatic cell having only one alleles copy of genes? ( My answer:non disjunction during meiosis I)
The bacteria streptococcus pneumoniae has a generation time of 30 min. If you begin your culture at 9am with a single cell, how many cells will be present @ noon? If you want to startthe experiment after 20generations have passed, what timesho..
Q101. One of the following is present outside the plasma membrane but inside the cell-wall (a) Sphaerosome (b) Peroxisomes
Write a four-page essay about an issue or decision(s) politicians make in our country (or vice versa) that affect our economy
A glycine residue ecists at position 210 of the tryptophan synthetase enzyme of wild-type E.coli. If the codon specifying glycine is GGA, how many single-base substitutions will result in an amino acid at position 210, and what are they? How many ..
The physical process through which water and solute move through a membrane when hydrostatic pressure gradient exists across the membrane is the process of?
write a hypothesis describing the phenotype of the germinating tobacco seeds. include the approximate number of
Explain how the insulin receptor covalent structure gets modified as the result of Insulin binding to it. How does this modify the activity of the receptor?
What is the function of isomerase in glycolysis. What would happen if isomerase were not present? What would happen to the output of ATP and pyruvate from one molecule of glucose?
What are the effects of childhood obesity? Research intensively on the effects of obesity, to the individual and society and possible solutions. Font 12, apa,atleast three references.
What experiments could be performed to test whether the ermB gene in these erythromycin-resistant strains of bacteroides can be transferred to erythromycin-sensitive strains of bacteroides? If you found evidence of horizontal gene transfer, how co..
A 27-year old white female presented at the walking clinic of her local physician on August 15. On physical exam, the patient had a fever of 38.5C. She appeared fatigued, had tender joints, and complained of a headache, a stiff neck and a backache.
In snapdragons, red flower color (R) is incompletely dominant over white flower color (r); the heterozygotes produce pink flowers. If the F1 are backcrossed to the red parent, what are the genotypes and phenotypes of the offspring
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