Which of the following genotypes is homozgyous dominant?
A) Gg. B) CC. C) vv
B) CC
100
Brown eyes are dominant to green eyes. What is the allele to represent brown eyes? What is the allele to represent green eyes?
Brown eyes = B. Green eyes = b.
100
What are the three types of RNA?
tRNA, mRNA, and rRNA
100
What are the monomers of DNA?
nucleotides
100
What is the full name of RNA?
ribonucleic acid
200
Red flowers are dominant to white flowers. If the allele for red flowers is R, what is the allele for white flowers?
r
200
Green pea pods (G) are dominant to yellow pea pods (g). What are the genotypes that represent green pea pods?
Gg and GG
200
What type of RNA leaves the nucleus in transcription?
mRNA
200
What type of macromolecule is DNA an example of?
nucleic acid
200
Write the complementary DNA bases for this DNA strand - AAA CTC GCA
TTT GAG CGT
300
Red (R) is dominant to white (r). Two heterozygous red flowers are crossed. What is the percentage of offspring that will have red flowers?
A) 0%. B) 25%. C) 50%. D) 75%
75%
300
Green pea pods (G) are dominant to yellow pea pods (g). What is the genotype that represent yellow pea pods?
gg
300
Translation takes place in what organelle of the cell?
ribosome
300
What are the 4 nitrogen bases of DNA?
Adenine, guanine, cytosine, and thymine
300
Transcription takes place in what organelle in the cell?
nucleus
400
White (W) is dominant to black fur (w). A heterozygous white rabbit is crossed with a homozygous black rabbit. What is the fraction of offspring that have white fur?
50%
400
In fruit flies, red eyes are dominant (R). White eyes are recessive (r). If the female fly has white eyes and the male fly has homozygous dominant red eyes, what is the possibility in fractions of their offspring having red eyes?
100%
400
Transcribe this DNA strand - CGA TGC ACA
GCU ACG UGU
400
What is the sugar in RNA called?
ribose
400
What are the 3 steps of transcription?
1) DNA strands are unzipped. 2) DNA bases are matched with RNA bases to make an mRNA. 3) mRNA leaves nucleus to go to ribosome.
500
Tall (T) is dominant to short (t). A homozygous tall plant is crossed with a homozygous recessive plant. What is the percentage of offspring that will have a genotype of TT?
a) 0%. b) 25%. c) 50%. d) 100%.
0%
500
Black fur color is dominant to white fur in rats. What are the parents’ genotypes if the offspring are 50% black fur and 50% white fur? Create a punnett square to prove your answer.
Parents' genotypes are Bb and bb
500
Translate this mRNA strand - AUG CGC ACG UAA
Met - Arg - Thr - Stop
500
Name 2 differences between DNA and RNA.
1) DNA has two strands while RNA has 1 strand. 2) DNA has thymine and RNA has uracil. 3) DNA has the sugar deoxyribose while RNA has ribose.
500
In dogs, normal hearing is dominant to deafness. Create a punnett square to show how two hearing dogs could produce deaf offspring. What are the parents' genotypes?