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Assignments and readings can be found in the Class Notes section. All Unit notes are provided.

Students should be aware that they have a wonderful opportunity to improve their grades during this time. Send me an email letting me know the assessment or activity you would like to improve your grade on.

Our class meets virtually on Wednesday and Thursdays at 11:25 using ZOOM. Check your student email for the link.

I am available to answer questions through email as well at: annunztx@pwcs.edu

Log in to your CLEVER account and complete the BrainPOP activities that I have assigned to you to keep the information we learned fresh in your head.

Check your grades using StudentVUE. Forgot how? check out this video: https://www.youtube.com/watch?v=zQQ84FaHr94

Review the Unit notes in the Class Notes section and participate in our ZOOM meetings to retake your unit tests and improve your grades from marking periods 1, 2, & 3. The link to power test is below.

This week we will be reviewing the topic of DNA and Heredity. Esta semana revisaremos el tema del ADN y la herencia. https://youtu.be/a4XhoB3YjnU

The key to this week’s review is understanding how traits are passed from one generation to the next. La clave de la revisión de esta semana es comprender cómo se transmiten los rasgos de una generación a la siguiente.

Assignment: Asignación:

1.  Explain the shape and structure of DNA.  (What does it look like, what molecules make it up)Explicar la forma y estructura del ADN. (¿Cómo se ve, qué moléculas lo componen?)

2.  Who were important scientists that contributed to our knowledge of DNA and heredity? (We learned 4 main ones) ¿Quiénes fueron los científicos importantes que contribuyeron a nuestro conocimiento del ADN y la herencia? (Aprendimos 4 principales)

3.  Explain the difference between dominant and recessive alleles and how they are inherited. (What happens if you are heterozygous (Aa) for a trait?)Explica la diferencia entre alelos dominantes y recesivos y cómo se heredan. (¿Qué sucede si eres heterocigoto (Aa) para un rasgo?)

4. What is a Punnett Square? How can one be used to predict an offspring’s chance of getting a trait? ¿Qué es un cuadrado de Punnett? ¿Cómo se puede usar para predecir la posibilidad de que una descendencia obtenga un rasgo?

5.  How do scientists use DNA evidence to stop crime? ¿Cómo usan los científicos la evidencia de ADN para detener el crimen?

Use the link below to access the activity Crack the DNA code on https://sciencetrek.org/sciencetrek/topics/heredity/games.cfm

Utilice el siguiente enlace para acceder a la actividad Descifrar el código de ADN

Please record your answers and email them to


Watch this experiment where DNA is extracted from strawberries.