| Chromosomes | Mendel and Genetics | Meiosis | Genetic Variation | DNA Structure |
| 100 | 100 | 100 | 100 | 100 |
| 200 | 200 | 200 | 200 | 200 |
| 300 | 300 | 300 | 300 | 300 |
| 400 | 400 | 400 | 400 | 400 |
| 500 | 500 | 500 | 500 | 500 |
| Final Question | ||||
What is a gamete and include it's other names?
What is a gamete and include it's other names?
A gamete is a sex cell with half the genetic material present. It's other names are sperm, egg, and sex cell.
What is an autosome? Give an example.
What is an autosome? Give an example.
A chromosome that carries genetic information unrelated to sexual information. Examples include eye color, hair color, etc.
What are the sex chromosomes for a female?
What are the sex chromosomes for a female?
XX
Males have ___ matched pairs of
chromosomes and one unmatched.
Females have ___ matched pairs of
chromosomes.
Males have ___ matched pairs of
chromosomes and one unmatched.
Females have ___ matched pairs of
chromosomes.
22, 23
Explain the 2 types of reproduction.
Explain the 2 types of reproduction.
Asexual - 1 parent, identical to parent
Sexual - 2 parents, half genetic material from each
What type of plant did Mendel do his studies on?
What type of plant did Mendel do his studies on?
Pea Plants
What is genetics?
What is genetics?
It is the study of how parents and offspring have similar and different traits.
What did Mendel observe and how did that give to genetics?
What did Mendel observe and how did that give to genetics?
He observed dominant and recessive traits and how they get passed in generations. It gave genetics a model to be able to use and understand.
What determines what phenotype you have?
What determines what phenotype you have?
The genetic recombining of traits, or the genotype, that came from your parents.
What color will be expressed here?
What color will be expressed here?
Red
What are cells that undergo meiosis?
What are cells that undergo meiosis?
Germ cells
If the haploid number for a cell is 16, the diploid number is...
If the haploid number for a cell is 16, the diploid number is...
32
The four haploid cells that happen as a result of meiosis are identical to the cells that split from. TRUE or FALSE? If false, state why.
The four haploid cells that happen as a result of meiosis are identical to the cells that split from. TRUE or FALSE? If false, state why.
FALSE. They are half of the original material and each of the four haploid cells is genetically different.
Name the different stages present in Meiosis.
Name the different stages present in Meiosis.
Prophase I, Metaphase I, Anaphase I, Telophase I, Prophase II, Metaphase II, Anaphase II, Telophase II
Name one way that mitosis and meiosis are alike and how they are different.
Name one way that mitosis and meiosis are alike and how they are different.
Alike: Cells divide, have same basic phases, genetic material is splitting
Different: Amount of phases, one divides from a somatic cell and one from a germ cell
What are the three key contributors to genetic variation?
What are the three key contributors to genetic variation?
Crossing over, independent assortment, and random fertilization
What is crossing over and what stage does it happen?
What is crossing over and what stage does it happen?
It is the sharing of genetic material where the chromosomes touch. It happens during Prophase I.
In Metaphase I, two chromosomes line up at the equator and one chromosome randomly moves to one cell and the other chromosome randomly moves to the other. This is an example of ________________________.
In Metaphase I, two chromosomes line up at the equator and one chromosome randomly moves to one cell and the other chromosome randomly moves to the other. This is an example of ________________________.
Independent assortment
How does random fertilization add to genetic variation?
How does random fertilization add to genetic variation?
It allows only one sex cell at random to be fertilized.
How is genetic variation an advantage within a population of people?
How is genetic variation an advantage within a population of people?
It helps a population survive in an always adapting environment.
Name the two men responsible for building a 3-D DNA strand and winning the Nobel Prize.
Name the two men responsible for building a 3-D DNA strand and winning the Nobel Prize.
Watson and Crick
What is the shape of a DNA strand called?
What is the shape of a DNA strand called?
A double helix
Chargaff's rule states that only:
Chargaff's rule states that only:
A-T and C-G
What is the complimentary DNA strand to this strand:
CCGAGATTG ?
What is the complimentary DNA strand to this strand:
CCGAGATTG ?
GGCTCTAAC
What is the full name of DNA? (Spelling counts!)
What is the full name of DNA? (Spelling counts!)
Deoxyribonucleic acid
Why is it important that our genes get passed on? What significance does genetic variation play in all of this?
Why is it important that our genes get passed on? What significance does genetic variation play in all of this?
It is important to the survival of our species. The more varied the genes are, the more likely we are to find a combination that will survive diseases.
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