Based on this figure, what is the predicted number of melanosomes per field of view for a heterozygote for Base2? 16 31 25 no way to know
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- Calculate the number of histones to be transported per second per nuclear pore complex in cells which contain 3000 nuclear pores assuming 32 million histone octamers are required.With two pairs of homologous chromosomes, four kinds of gametes can be produced. How many kinds of gametes can be produced with three pairs of homologous chromosomes? What does this suggest for the 23 homologous pairs of chromosomes in human cells?Assume that the Holliday junctions resolve so that there is no crossing over (that is, there is no recombination). For the maternal chromosome list all of the possible base identities at the three positions after the cell repairs any mismatches. Do the same for the paternal chromosome.”
- Diploid Number of chromosomes, Sex Chromosomes, (+/- whole) Chromosome (+/- partial) e.g. 47, XY, +14 = male with trisomy of chromosome 14 e.g. 46, XX, 1q+ = female with a partial increase to the length of the long arm of chromosome 1 (partial increases or decreases to a single chromosome still have the same diploid number) What is the notation for the following case A boy having Down syndromeRice has a chromosome number of 2n = 24. If different euploids and aneuploids are available in rice, identify the chromosomal mutation, chromosome configuration, chromosome number, and/or type of gametes in each of the mutations below. Example: For 10B, the answer is “10 II + 2 I”Here is a strawberry karyotype - ignore the different colours. How many chromosomes are shown in the figure? What is the ploidy of this type of strawberry? How many alleles could an individual strawberry have at each locus? Finally during the G2 stage of cell division, how many double helixes would be in this picture if you drew them over the chromosomes? Many domesticated plants are polyploid - give one possible reason why this might be the case, with a focus on using genetic principles to reason it out (i.e., you don't have to be right per se, you have to build an argument based on what you've already learned).
- In mice, 2n = 40. If a mouse cell divides by mitosis, it will produce two daughter cells that each have ________ chromosomes. If a mouse cell divides by meiosis, it will produce four daughter cells that each have ________ chromosomes. Type the appropriate number to fill in each blank (e.g., 40).What is the possible number of gamete cells that can be produced from a diploid 2n=4 taking crossing-over into account?Species I has 2 n = 16 chromosomes. How many chromosomes will be found per cell in the following mutants in this species? Q. Autotetraploid
- In a turtle species, a diploid cell in the G1 phase of the cell cycle contains 22 picograms of DNA (picogram is a measure of the total mass of the DNA present). How much DNA is present in a cell of the same species at prophase II of meiosis (prophase of the second meiotic division)?Salim and Sara are contemplating having children, but Salim’s brother has galactosemia and Sara has a sister who has three children, one of whom is affected. Sara dad has no history in his family of any sign of the diease and it is assumed to be homozygous normal. What is the probability that salim and saras first child will have galactosemia?Species I has 2 n = 16 chromosomes. How many chromosomes will be found per cell in the following mutants in this species? Q. Tetrasomic