DO NOW Date: 10/15 Q: How are traits passed from parents to offspring (children)? DO NOW: Write three complete sentences using each of these words. (phenotype, genotype, alleles.) 7 th Grade Science Oct 15, 2012

ESSENTIAL QUESTION: How are traits passed from parents to offspring (children)? OBJECTIVES: -Review Vocabulary for Heredity. -Play Science BINGO using vocabulary

Vocabulary Practice Pg 37 Independent Practice: Cloze-ing in on Science (15 minutes)

SCIENCE BINGO! genes phenotype alleles As you hear the definition of a word, check it off your paper. Any full horizontal, vertical, or diagonal line results in Bingo! Fill in all of the empty spaces with one word from the back of your card. Words can be used twice, but not in the same row or column.

What did we learn? ESSENTIAL QUESTION: How are traits passed from parents to offspring (children)? OBJECTIVES: -Review Vocabulary for Heredity. -Play Science BINGO using vocabulary

DO NOW Date: 10/16 Q: What creates diversity among offspring? DO NOW: What are some of the different phenotypes in your family? Are there any members in your family that look different than all the others? Explain why you think that is. Mrs. Hibler Oct 9, 2012

ESSENTIAL QUESTION: What creates diversity among offspring? OBJECTIVES: -Take two-column notes on types of reproduction -Compare the types of reproduction in a mind map

Video Asexual Reproduction

NOTES: Sexual and Asexual Reproduction Expectations: -Level 1 Voice -DO NOT visit any other websites during your note taking. -Stay on task

TWO COLUMN NOTES Main Idea or Vocabulary on the left Details and definitions on the right

DO NOW Date: 10/17 10/18 Q: What creates diversity among offspring? In your own words: Describe chromosomes and genes. Use complete sentences. Mrs. Hibler Oct 8, 2012

Oct. 17 & 18 th 2012 DO NOW 7 th Grade Science Given the phenotype of the fruit fly, predict the fly’s possible genotypes: Phenotype: Curly wings, white eyes, tan body. Genotype: List the possible genotypes! DominantRecessive WingsA = curlya=straight Eye ColorR = redr = white Body ColorB = tanb = yellow

ESSENTIAL QUESTION: What creates diversity among offspring? OBJECTIVES: -Video on advantages of Asexual Reproduction -Investigation: Dresophila Fly Fornication

Homozygous vs. Heterozygous Phenotype: Curly wings, white eyes, tan body. Possible Genotype: AA, rr, BB AA, rr, Bb Aa, rr, BB Aa, rr, Bb DominantRecessive WingsA = curlya=straight Eye ColorR = redr = white Body ColorB = tanb = yellow How is this genotype different than the others?

NEW VOCABULARY pg 34 Enter the following definitions and draw an example in your vocabulary T-chart papers on page 34.

Oct. 11 & 12 th 2011 Homozygous vs. Heterozygous Mr. Martell 506 Allele: a version of one gene Example: curly wing allele = A Example: straight wing allele = a Homozygous: having identical alleles or versions of a gene for a trait Example: Homozygous Dominant (AA) Example: Homozygous Recessive (aa) Heterozygous: having different alleles or versions of a gene for a trait Example: Heterozygous (Aa) “Homo” = Same “Hetero” = Different

Video: Advantages of Asexual Reproduction (watching only up to 2min 30sec.)

Investigation Pg 2-7Pg Glue the investigation handouts into your composition book. 2.Read introduction and answer pre-lab questions

Investigation: Sexual Reproduction 1. Each partner will get a nucleus (plastic cup) with two chromosomes (popsicle sticks). 2. Close your eyes and randomly pick one chromosome to pass down to your offspring. 3. Record the genotype and phenotype on your handout. 4. Add the traits to your fruit fly cut out and place on wall next to similar flies. 5. Repeat until you have data for 4 offspring Male Nucleus Chromosomes Female Nucleus Offspring Nucleus

Investigation: Asexual Reproduction 1. Close your eyes and select both chromosomes from the female’s nucleus and place them in the offspring nucleus. 3. Record the genotype and phenotype on your handout. 4. Add the traits to your fruit fly cut out and place on wall next to similar flies. 5. Repeat until you have data for 2 offspring Female Nucleus Offspring Nucleus

Investigation: Conclusion Pg 2-9 Answer the questions below using complete sentences. 1)Compare the offspring made by sexual reproduction and asexual reproduction. 2)Explain why the offspring made by sexual reproduction differ from asexual reproduction. 3)Imagine a virus infects both populations of offspring and kills only red eyed flies. Which population of offspring is most likely to survive: the population of sexually or asexually reproducing flies? Explain your answer. Conclusion Questions

DO NOW Date: 10/19 Q: What creates diversity in offspring? DO NOW: Describe the main difference between sexual and asexual reproduction in your own words. Use complete sentences. 7 th grade Science Oct 19, 2012