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In a fern's life cycle, of hybrid "1" the sperm in the antheridium was found to have a total of 8 chromosomes. On one of the chromosomes was the dominate gene "T" on one of the chromosomes which produced tall sporophyte fronds. In a hybrid "2" fern, the egg was also found to contain a total of 8 chromosomes with a recessive gene "t" which produced short sporophyte fronds. If the sperm of hybrid "1" fertilized the egg of hybrid "2", how many chromosomes and what would be the genotypes of the resulting structures listed below after fertilization in the plants life cycle?Resulting sporophyte:Resulting gametophyte:Spores formed in resulting sporophyte:Sporgium sac in the sori:Resulting antheridium sac:Resulting spore mother cell:Cells that make up rhizoids:
Explain a series of experiments you would undertake to find if your favourite brand of the peanut butter is carcinogenic.
How is the lifestyle of many radially symmetrical animals different from that of bilaterally symmetrical animals? Explain how the body plan complements the lifestyle using two animals as examples.
Explain in molecular detail how scientists could develop antibiotics that contact multiple sites on rRNAs and /or r-proteins within the bacterial ribosome.
Your friend has now joined a lab that studies vesicle budding from the Golgi and has been given a cell line that does not form mature vesicles. He wants to begin designing some experiments but wasn't listening carefully when he was told about the mol..
2-different mutations are identified in a haploid strain of yeast. The first prevents the synthesis of adenine by a nonsense mutation of the ade one gene.
Develop a cure for cancer - Your cure may consist of a drug or treatment that would be intended for patients who already have cancer
What are the steps in isolating the DNA from strawberries. What are the materials required to isolate DNA.
Their water vascular system with tube feet is unique. Sea lilies (Crinoids) might be closest to the ancestral echinoderm. Other groups are modified from this. Chordates -An interesting sidelight: Which side is up.
Why is energy from fusion reactors, dissimilar that from fission reactors, so attractive from an environmental perspective. Consider the HIV enzyme called protease. The amino acid residues at the active site are highly hydrophobic.
define how the axonal membrane potential is restored. Describe how resting ionic distributions are maintained.
Drugs known as nucleoside analogs (NA) act against RT, whereas drugs called protease inhibitors (PI) act against PR.
The condition "xeroderma pigmentosum" is characterized by high rates of skin cancers like malignant melanoma. It is caused by mutations in any of many genes that encode enzymes that participate in:
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