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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:
In a population with two alleles, A and a, frequency of A is 0.2. Organisms that is homozygous for A die before reaching sexual maturity. In five generations, what will be the frequency of individuals aa with genotypes.
What percent of the population are homozygous dominant. What do you assume would be the effect on the switch of reversing orientation of one of the hix sites.
sketch the chromosomes of the parents and the F1. analyse interference and say what you think of its significance.
Which of the statements best describes the shape of its teeth? How many teeth does it have in the premaxilla.
Illustrate one experiment that shows that shh is the critical molecule produced by the inducing tissue referred to in (a). what is the evidence that this tissue regulates the ventral pattern of the neural tube (even before this tissue was known to pr..
In the year following the fires, wildflowers sprouted in all burned areas, closely followed in subsequent years by seedlings of the trees that normally grow in the area, such as aspens and lodge poles pines. What changes in the Ecosystem will take pl..
About how long at the earliest is it likely to take before he gets feeling back in that part of thumb. Give two reasons that the wolf population is not at Hardy-Weinberg equilibrium.
create a specific experiment to measure the rate of cellular respiration in an organism of your choice
A researcher wants to develop a test that will distinguish charophytes and land plants from green algae. Which chemicals would be the best subject for such an assay.
While Mexican hairless dogs are crossed with normally haired dogs, about half the pups are hairless and half have hair. While, though, two Mexican hairless dogs are mated, about a third of the pups produced hair, about two thirds are hairless and som..
Describe how these two processes are related between plants and animal based on rectants and products (water, carbon dioxide, glucose and oxigen) of both pathways.
The membrane vesicles are next washed, the membranes solubilized and the proteins denatured and analyzed by SDS gel electrophoresis and Western blotting using polyclonal antibodies against glycophorin A, an erythrocyte plasma membrane protein.
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