Date EntryPage # 1/8 Genetic Terms5. Genetics Terms 5 1. Genetics – 2. Heredity – 3. Traits – Turn to page 5 in journal and write the terms below. Skip.

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Presentation transcript:

Date EntryPage # 1/8 Genetic Terms5

Genetics Terms 5 1. Genetics – 2. Heredity – 3. Traits – Turn to page 5 in journal and write the terms below. Skip a space.

Today I will define heredity & identify common traits in the class.

Chromosomes, DNA, Genes, and Traits are genetic material found in the nucleus of the cell

The study of heredity.

The passing of traits from parent to offspring (baby).

What does the word trait mean?

A trait or a characteristic that you inherit from your parents.

Hair color Eye color Skin color Height NOT all traits can are visibly seen.

Tongue

Earlobes

Dimples No Dimples

Chin Cleft chin No cleft in chin

Hairline Widow’s Peak Straight hairline

Finger Hair Some people have hair on the second (middle) joint of one or more of the fingers while others do not. The presence of hair on one digit counts!

Thumb

Hair color Dark hair color Blonde or red hair

Freckles No freckles freckles

Hair type Straight hair is recessive Curly hair is dominant

Skin color Pigment in skin albino

Eye color Green, brown, or hazel eye color Blue eyes

Genes are Found in the Nucleus of Cells 22

23 Genes are segments of DNA A gene is a section of DNA that controls a trait ( ex. tall /short) that an organism inherits TPS: if genes are sections of DNA, where are genes located in the cell?