Genetics

Question 1

Watson and Crick determined the structure of what molecule?

Accepted Answer

DNA

Question 2

When using a Punnett Square, is dominant represented by a lowercase or capital letter?

Accepted Answer

Capital

Question 3

What is a mutation

Accepted Answer

random change in an organisms DNA

Question 4

The study of how traits and DNA are passed to offspring

Accepted Answer

Genetics

Question 5

Which of the following is an example of a genotype

Accepted Answer

DD

Question 6

Which pair of alleles represents a homozygous genotype

Accepted Answer

FF

Question 7

Chromosomes are made of

Accepted Answer

DNA

Question 8

which pair of alleles represents a heterozygous genotype

Accepted Answer

Bb

Question 9

The nitrogen base Cytosine always pairs with which other nitrogen base?

Accepted Answer

Guanine

Question 10

What type of structure does DNA have?

Accepted Answer

Double Helix

Question 11

Which of the following is not a type of mutation?

Accepted Answer

Diabetes

Question 12

A nucleotide is composed of three main parts, Nitrogen base, sugar and ________

Accepted Answer

phosphate

Question 13

What does the following Punnett square illustrate

Accepted Answer

incomplete doiminace

Question 14

Which of the following is an example of a phenotype

Accepted Answer

Red Eyes

Question 15

A _______ is used to trace various traits and looks like a family tree

Accepted Answer

Pedigree Chart

Question 16

What is a phenotype

Accepted Answer

Characteristics that can be seen

Question 17

What percentage of offspring will show a recessive phenotype

Accepted Answer

25%

Question 18

A gamete is another word for

Accepted Answer

sex cell

Question 19

Segments of DNA are called......

Accepted Answer

Genes

Questions 19