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My real life application
Being able to reed a pedigree and fill out a punnet square can help in many professions and normal life. Pedigrees are used to analyze the pattern of inheritance of a particular trait throughout a family. Pedigrees show the presence or absence of a trait as it relates to the relationship among parents, offspring, and siblings.

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Check out this new video we made on how to read a punnett square, might help a couple of you out!
https://youtu.be/PyP_5EgQBmE

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couple tweets coming with short answers and their questions for the next test!
Q-What is the role of restriction enzymes?
A-Restriction enzymes are able to separate the DNA molecules at a sequence of bases.

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Q-Why are all X-linked alleles expressed in males, even when they are recessive?
A-because everyone has at least one X chromosome; men only have one X chromosome, so they can only inherit one copy for the trait to show up. Females would need to inherit two copies of it, which is harder.

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Q-If the carriers on this pedigree aren’t actually affected with the disease, is it a dominant or a recessive trait?
A-if the gene carriers aren’t affected then it is a recessive trait.

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Q-How many generations does the pedigree show?
A- 2 generations

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New art came in explaining a punnett square on our new chapter, check it out!

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Top Biology Words of the Day

1. Karyotype- An image of cells in mitosis, which shows the complete diploid set of chromosomes grouped together in pairs

2. Genome EG-full set of genetic information that an organism carries in its DNA

3. Sex chromosome EG-More than 1,200 genes are found on the X chromosome; fewer on a Y chromosome

4. Female chromosome EG-two copies of the X chromosome; XX

5. Male chromosome - one x and one y chromosome

6. Hybridization- crossing dissimilar individuals to bring
together the best of both organisms

7. Inbreeding- continued breeding of individuals
with similar characteristics

8. Biotechnology- application of a technological
process, invention, or method to living organisms

9. Polyploid- have many sets of chromosomes

10. Polyploid- have many sets of chromosomes

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Just finished our work on reading a pedigree, check it out.

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Biology fact of the week- how to create a Punnet square
first, you set up your 4-by-4 punnett square. Next, you identify your dominant and recessive genes. After that, You simply carry the letters through to their respective quadrants. And match them up like so all right each quadrant will represent a 25% chance that that genotype will result in the offspring. you should end up with something like this.