Genetics

Question 1

What fancy science term means a hybrid pairing? (One Dominant One recessive)

Answer 1

Hetrozygous

Question 2

What fancy science term means a purebred pairing? (Either both dominant or both recessive)

Answer 2

Homozygous

Question 3

What does the term “genotype” mean?

Answer 3

Letter combination

Question 4

What does the term “phenotype” mean

Answer 4

Physical appearance/trait (Widow’s Peak, Smile Dimples)

Question 5

What form of a gene always wins?

Answer 5

Dominant (The dominator)

Question 6

What form of a gene only wins if it is purebred?

Answer 6

Recessive

Question 7

What is an allele?

Answer 7

Different forms of the same gene(Tall vs Short)

Question 8

Who is known as the “Father of Genetics”?

Answer 8

Gregor Mendel (1822-1884)(Austria)

Question 9

What is a trait?

Answer 9

An inherited characteristic

Question 10

What is the study of heredity?

Answer 10

Genetics

Question 11

What is a segment of of DNA that codes for a specific trait?

Answer 11

Gene

Question 12

What shape is DNA?

Answer 12

Double Helix or Twisted Ladder (Model is hanging up in class)

Question 13

What is the “table” called that helps predict the probability of getting certain genotypes?

Answer 13

Punnett Square

Question 14

What % does each “square” in a punnett square represent?

Answer 14

25%

Question 15

What is a gene mutation?

Answer 15

A change in one or more nucleotide bases

Question 16

What can cause a mutation?

Answer 16

Mutagens like UV light or chemicals

Question 17

What is a codon?

Answer 17

A series of three letters in a DNA strand

Question 18

What are 3 types of mutation?

Answer 18

Insertion, deletion or substitution