DNA and Heredity

In sexual reproduction, a new organism is produced when ​ (a)  

• gametes, sperm and egg, come together
• body cells divide by mitosis   
• an organism divides into two equal parts 
• a clone grows from the body of its parent

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NGSS.MS-LS3-2

1. Which of the following is a trait that you probably inherited?

• your taste in music

• your hair style

• eye color

• what your favorite shows are

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

Type question here including aAltering the DNA of an organism to get the traits we want is called ​ (a)  

• genetic engineering
• hybridization
• selective breeding
• inbreeding

The ability to taste Phenylthiocarbamide (PTC), a bitter organic compound, is inherited. It shows up in around 75% of the population. The allele that codes for PTC tasting is most likely-

• Dominant

• recessive

• incomplete dominant

• codominant

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

1. The combination Tt represents a __ genotype, where T means __, and t means __​ (a)   .​ (b)   ​ (c)  

• heterozygous
• dominant trait
• recessive trait

What are the chances of having a male baby vs. having a female baby?

• 1:1 or 50% and 50%

• impossible to tell

• 75% boy and 25% chance girl

• 60% girl and 40% chance boy

1. DNA is a double helix which means that it is shaped like a __________.

• twisted ladder
• winding road
• mickey mouse ear

• escalator

What are the base pairing rules for DNA

• Adenine (A) pairs with Guanine (G)
• Thymine (T) pairs with Cytosine (C)
• Adenine (A) pairs with Cytosine (C)
• Adenine (A) pairs with Thymine (T), and Guanine (G) pairs with Cytosine (C)

You are looking at a single strand of DNA. The bases read: ACCTAGTTG

What is the complimentary strand of DNA?

1. What does the nucleus of the cell contain and what does it do?

• The nucleus contains food and supplies energy to the cell.
• The nucleus contains water and provides structural support to the cell.
• The nucleus contains air and helps the cell to breathe.
• The nucleus contains DNA and controls the cell's activities.

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NGSS.MS-LS1-2

NGSS.MS-LS3-1