Lab 1

Question 1

Segments of DNA are?

Answer 1

Genes

Question 2

How are proteins made

Answer 2

Genes are transcribed and translated

Question 3

What are phenotypes from?

Answer 3

proteins that have been transcribed and translated from genes

Question 4

Variant form of gene

Answer 4

Allele

Question 5

Where are two of the alleles for the same gene located?

Answer 5

In the same spot of homologous chromosomes

Question 6

Sets of genes an organisms carries in its cells?

Answer 6

Genotype

Question 7

Organism’s observable or expressed characteristics

Answer 7

Phenotype

Question 8

Alleles that show effect even if individual only has one copy of allele

Answer 8

dominant

Question 9

allele only shows their effect if the individual has 2 copies of allele

Answer 9

recessive

Question 10

heterozygous vs homozygous

Answer 10

2 different copies of alleles vs 2 same copies of alleles

Question 11

What is the scientific name for the fruit fly?

Answer 11

Drosophila melanogaster

Question 12

Who won the first Nobel prize in genetics

Answer 12

thomas morgan

Question 13

chromosomal theory of inheritance

Answer 13

genes located on chromosomes

Question 14

how is the drosophila cultured

Answer 14

2 weeks at 21-25 C

Question 15

What are the four distinct stages of drosphila life cycle

Answer 15

egg, larva, pupa, and adult

Question 16

How to tell if fly is male or female

Answer 16

males have dark dorsal posterior with a more rounded tip and has sex combs on front pair of legs while females are lighter and banded