Middle School Genetics

Which of the following is a method used to study genetics?

• Punnett squares

• Periodic tables

• Chemical equations

• Newton's laws

What is the term for a segment of DNA that codes for a specific protein?

• Chromosome

• Gene

• Allele

• Genome

G = green, g = yellow
The genotype for a yellow plant is...

• GG

• Gg

• gg

• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which members of the family above are afflicted with Huntington's Disease?

• I-1, II-2, II-3, II-7, and III-3

• I-1, I-2, II-3, II-7, and III-5

• I-1, I-3, II-8, and III-2

• I-2, II-1, II-4, II-5, II-6, II-8, III-1, III-2, III-4, and III-5

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many chromosomes are in a normal human body cell?

• 23

• 46

• 92

How many chromosomes are in a human egg cell and passed down from a mother to her child?

• 23

• 46

• 92

Tags

NGSS.HS-LS3-1

Which of the following is a genetic disorder?

• Diabetes

• Cystic fibrosis

• Asthma

• Tuberculosis

Tags

NGSS.HS-LS3-2

What is the term used to describe a pair of chromosomes, one from each parent, that codes for the same traits?

• Homozygous

• Heterozygous

• Diploid

• Haploid

Tags

NGSS.HS-LS3-1

Which inheritance pattern shows both traits in heterozygous individuals?

• Dominance

• Recessive

• Codominance

• Incomplete dominance