Metacentric and telocentric chromosomes
Compare and contrast metacentric and telocentric chromosomes
Entries by Daphne Hanson
Contributions of genetics to the human being
The impact of these five contributions of genetics to the human being in its evolution; The origin of species and his theory of biological evolution according to Darwin, Mendel’s models, a three-dimensional model of double-helix DNA by James Watson and Francis Crick, Genome Project, the achievement of the complete sequence of the human genome.
The dynamic structures
Microtubules are highly dynamic structures that continuously break down and reform. They are a tube kind of structure and provide pathways for vesicles to move. For example, a nerve cell form within the cell body and then move through the axon, which has a special structure. To transport the vesicles through the microtubules, this molecule […]
A dihybrid organism
If you have a dihybrid organism with genotype AaBb whose alleles are in repulsion (trans) configuration, and you use it to perform a test cross, what will be the recombinant genotypes in the offpsring? Select all that apply.
The occurrence of evolution
Explain how the questions below support the occurrence of evolution (20 pts). fossil evidence from comparing anatomy evidence from comparing embryos evidence from molecular biology
Linked autosomal genes
A woman is heterozygous for three linked autosomal genes and has the genotype GgHhMm. The three genes are arranged on the chromosomes in the order listed (i.e. G then H then M). Her husband is homozygous recessive for each of the genes. They have eight children with the following genotypes: Three are GghhMm. Two are […]
Pure-breeding lines of corn
Two different pure-breeding lines of corn were obtained with a tester that was homozygous recessive for the three genes. The parentals shrivelled (sh/ sh . br+/ br+. f+/ f+) and brown and fine (sh +/ sh +. br / br . f/f ) were crossed. The F1 was wildtype. The F1 was testcrossed (sh/sh . br/ br. […]
Nutrigenetics and nutrigenomics
What was your greatest aspect of this nutrigenetics and nutrigenomics? What are two things you should never forget after learning about personalized nutrition therapy? How can you learn about yourself or your health from this course?
Mendel’s laws of inheritance
Drosophila melanogaster (fruit flies) are excellent animals to use for studying Mendel’s laws of inheritance. Two Mendelian traits that are often used for these experiments are eye colour (encoded for by the ‘W’ gene) and wing shape (encoded for by the ‘Vg’ gene). The ‘W’ allele is dominant, and gives red eyes, while the ‘w’ allele […]
Homozygous female Heterozygous female
Homozygous female Heterozygous female Normal female I Homozygous male Heterozygous male Normal male Analyze the chart and give an overview of the contents of the charts. What Does it Show? How does It work? And why is it important?
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