Genetics

Genetics

Open Ended

Write down 3 facts that you learned yesterday about genetics and heredity.

Multiple Choice

Parents and children share traits. Which of these is NOT an inherited trait?

• eye color

• liking spicy foods

• left-handedness

• ear shape

Multiple Choice

Which one is an inherited trait?

• curly hair

• freckles

• attached earlobes

• all of them

Multiple Choice

Which one is NOT an example of an acquired trait?

• dyed hair

• languages

• attitude

• curly hair

Traits

https://www.youtube.com/watch?v=SldwzOJ23J8

GENES

Half from your mom.

Half from your dad.

Multiple Choice

Genes are sections of the DNA strand and are located on chromosomes.

• True

• False

Multiple Choice

What is the relationship between DNA and chromosomes?

• Chromosomes are made of DNA

• DNA and chromosomes are the same thing.

• All of the above are correct

Multiple Choice

Inherited traits are controlled by

• genetic information in the genes

• the environment a baby is born into

Dominant vs Recessive

https://www.youtube.com/watch?v=G-_fwABa2BU&list=RDCMUC7izWi_rV1mN_Hg78PAJgoA&index=2

Multiple Choice

The hidden form of an inherited trait

• dominant trait

• recessive trait

Multiple Choice

Which of the following alleles is homozygous?

• Tt

• TT

Multiple Choice

Which of these would express the dominant trait?

• rR

• RR

• Rr

• All of the above

Multiple Choice

Two of the same genes for a trait (sometimes called purebred). BB or bb

• homozygous

• hetrozygous

• protein

• chromosome

Homozygous - Heterozygous

https://www.youtube.com/watch?v=D8Nu3Aw6F2A&list=RDCMUC7izWi_rV1mN_Hg78PAJgoA&index=3

Multiple Choice

The heterozygous DOMINANT trait of dimples?

• DD

• dd

• Dd

Multiple Choice

Homozygous or Heterozygous: ff

• Homozygous

• Heterozygous

Multiple Choice

DD is an example of

• homozygous recessive

• dominant

• Homozygous dominant

• recessive

Multiple Choice

Dd letters are an example of....

• heterozygous genes

• homozygous genes

• dominant genes

• recessive genes

Punnett Square

https://www.youtube.com/watch?v=PyP_5EgQBmE

Punnett Square

B: Dominant, b: recessive

BB: Homozygous

bb: Homozygous

Bb : Heterozygous

Punnett Square

P: Dominant, p: recessive

PP: Homozygous

pp:Homozygous

Pp : Heterozygous

Multiple Choice

What allele combination should go in the missing box?

• AA

• Aa

• aa

• none of these

Multiple Choice

T - tall and t = short

In the punnett square below, what belongs in the missing square

• tt

• Tt

• Bb

• TT

Genotype - Phnotype

https://www.youtube.com/watch?v=lYAHx7NiF3g

Multiple Choice

What is the yellow seed genotype?

• aa

• Aa

• AA

• AA or Aa

Multiple Choice

Which of the following genotypes is homozygous dominant?

• A

• Aa

• AA

• aa

Multiple Choice

Is this Genotype or Phenotype: Eye Colour

• Genotype

• Phenotype

Multiple Select

Which of the following shows a genotype that would be considered homozygous? Choose all that apply.

• GG

• gg

• Gg

• Bb

• bb

Multiple Choice

Genotype or Phenotype: Black hair

• Phenotype

• Genotype

Multiple Choice

Which of the following is a phenotype?

• BB

• Bb

• bb

• Blue eyes

Multiple Choice

An offspring will receive how many alleles from each parent to determine a specific trait?

• one

• three

Multiple Choice

If a certain trait has two different alleles (one dominant and one recessive) it is called __________________

• Homozygous

• Heterozygous

Multiple Choice

How chance the offspring born from this cross will have a homozygous dominant genotype?

• 25%

• 50%

• 75%

Multiple Choice

Fill in the Yellow Box

• Bb

• BB

• bb

Multiple Choice

Brown eyes are dominant over blue eyes. What is the probability that the offspring will have brown eyes in this cross?

• 25%

• 50%

• 75%

• 100%