Biology, 04.01.2021 01:20 chloesmolinski0909
In your paper model, simulate the process of crossing over in the two parents by cutting or tearing the chromatids to swap genes. Be sure to swap the same type of gene. For example, the allele for trait 1 should swap places only with the other allele for trait 1 of the chromatids of the homologous chromosome. Tape your new chromatids together. Now separate out the four single, crossed-over chromosomes to model four haploid cells from each parent. Next, make at least four genetic matches of offspring by moving a chromosome from a sperm and egg cell together to form a diploid offspring. In the table, record the genotype and phenotype of each offspring as shown in the example.
Answers: 3
Biology, 22.06.2019 09:30
You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.
Answers: 1
Biology, 22.06.2019 10:30
19. a cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. which phase of mitosis is the cell most likely in? a. metaphase b. prophase c. telophase d. anaphase
Answers: 2
In your paper model, simulate the process of crossing over in the two parents by cutting or tearing...
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