Lab Exam 2

Question 1

Hetero x Hetero

Answer 1

3D : 1R pheno

1 : 2 : 1 geno

Question 2

Hetero x Homo R

Answer 2

1D : 1R pheno

1 : 1 geno

Question 3

Hetero x Homo D

Answer 3

1D : 0R pheno

1 : 1 geno

Question 4

Homo R x Homo R

Answer 4

0D : 1R pheno

0 : 1 geno

Question 5

Homo D x Homo D

Answer 5

1D : 0R pheno

1 : 0 geno

Question 6

Homo R x Homo D

Answer 6

1D : 0R pheno

1 : 0 geno

Question 7

Mitosis

Answer 7

begins 2N / 2C
end of interphase 2N / 4C
end of anaphase 2N / 2C

Question 8

Meiosis

Answer 8

begins 1N / 1C as gamete
end of interphase 1N / 2C
end of fertilization 2N / 4C as zygote
end of anaphase I 1N / 2C
end of anaphase II 1N / 1C

Question 9

Dogma of biology

Answer 9

DNA to RNA to Protein

Question 10

DNA

Answer 10

Genomic DNA encodes the information needed for life and for differentiating one species from another

Question 11

RNA

Answer 11

Information from the genome, representing only a small fraction of the total DNA content, is transcribed into mRNA for further processing

Question 12

Protein

Answer 12

Information in a portion of the mRNA sequence (aka coding sequence) is used to guide the synthesis of a specific protein