The Cell Cycle
Protein Synthesis
DNA
Mendelian Genetics
Dihybrid Crosses
100
During which phase of the cell cycle do chromosomes line up down the middle of the cell?
Metaphase
100
Where does transcription take place?
Nucleus
100
What does DNA code for?
Proteins
100
The condition of having two different genes for a particular trait is called
Heterozygous
100
If Purple hair is dominant (P) and white hair is recessive (p), and Green eyes are dominant (G) and black eyes are recessive (g) -
What genotype would someone have if they are heterozygous for both traits?
PpGg
200
What is the last phase of the cell cycle?
Telophase
200
Which step involves copying DNA into mRNA?
Transcription
200
What enzyme unzips DNA during replication?
Helicase
200
Will an organism with the genotype mm display the dominant or recessive phenotype?
Recessive
200
If Purple hair is dominant (P) and white hair is recessive (p), and Green eyes are dominant (G) and black eyes are recessive (g) -
What genotype would someone have if they were homozygous dominant for hair color and heterozygous for eye color?
PPGg
300
What is apoptosis?
Programmed cell death
300
Which nucleotide base does RNA use that DNA does not?
Uracil
300
How many chromosomes does a haploid cell have?
n
300
If Yellow seeds are dominant (Y) and green seeds are recessive (y), a heterozygous individual would have what genotype?
Yy
300
What possible gametes could someone whose genotype is PPgg make?
Pg
400
What type of cells continue dividing and do not differentiate?
Stem cells
400
Where is a codon located?
on mRNA
400
What do you call a pair of chromosomes that contain the same genes?
Homologous chromosomes
400
(Arms are dominant; no arms are recessive); What percent of offspring will have no arms?
25%
400
If Purple hair is dominant (P) and white hair is recessive (p), and Green eyes are dominant (G) and black eyes are recessive (g) -
For the following punnett square - what ratio of offspring will have white hair and green eyes?
4/16
500
During which phase of the cell cycle does DNA replicate?
Interphase
500
One codon "codes for" what?
Amino acid
500
What is crossing over?
When pieces of homologous chromosomes are swapped
500
What does Mendel's Law of Independent Assortment say?
That the random distribution of alleles occurs during gamete formation
500
If Purple hair is dominant (P) and white hair is recessive (p), and Green eyes are dominant (G) and black eyes are recessive (g) -
For the following punnett square - what ratio of offspring will have Purple hair and black eyes?
0