Allele More...
I Got A Punnet For You!
DNAmite Genes
Let Me Take A Celfie
Mitosis: We Are Never Getting Back
Together
Together
100
Which would be the dominant allele for purple kernels?
P
100
Gregor Mendel developed heredity principles from his
mathematical analysis of the results of pea plant crosses.
100
What is the code for genetic information
DNA
100
In the cells of most organisms, DNA is contained in the
Nucleus
100
What is the process of cell division called
Mitosis
200
The allele for green pod color ( G) is dominant over the allele for yellow pod color (g). What is the genotype for a plant with yellow pods?
Gg
200
In the Punnett square shown below, what should be written in the empty square?
rr
200
Most human traits are determined by
one or more genes and environmental factors
200
Which label indicates the nucleus.
C
200
What mitosis forms
2 genetically identical daughter cells
300
An organism with two different alleles for a single trait is ____ for that trait.
heterozygous
300
According to the Punnett square shown below, what is the expected ratio of dominant to recessive for this trait in the offspring ?
3:1
300
Which of the following represents an organism that is homozygous for two genes?
A.Rrss
B.RrSs
C.RRss
D. RRSs
C
300
Put the following cellular components in order of size from smallest to largest:
nucleus, chromosome, cell, nucleotide, gene
nucleotide, gene, chromosome, nucleus, cell
300
The drawing below shows how chromosomes are distributed during cell division. What specific process does this drawing represent?
Mitosis
400
Assume that in humans, brown eyes ( B) is dominant over blue eyes (b). The mother’s genotype is bb and the father’s is Bb. What are the predicted genotype for the offspring?
Bb = 2
bb= 2
400
In a certain species of mouse, gray fur ( G) is dominant over cream-colored fur (g). If a homozygous gray mouse is crossed with a cream-colored mouse, the genotype of the F 1 generation will most likely be
75% Gg, 25% gg
400
Two copies of gene are called
alleles
400
A brain cell and a liver cell have very different functions in the human body. Explain how these two cells from the same organism can have such very different functions, even though they share the same DNA.
The genes in cells are turned on and off in different combinations, depending on the cell type and the proteins needed for its function. Genes are expressed if the organism needs to use them, and repressed if they are not needed. The different combination of expressed and repressed genes allows the cells to have different functions.
400
What is one function of mitosis?
to equally divide replicated chromosomes into daughter cells
500
What would be the genotype for a heterozygous parent of purple and smooth corn.
PpSs
500
Cystic fibrosis is a genetic disease that causes serious respiratory problems. Brad and Janet are healthy adults with three children. Two of the children appear to be healthy and one child has cystic fibrosis. The normal allele is represented as C. The disease-causing allele is represented as c. A person who is homozygous for the c allele will have the cystic fibrosis disease.
a. What are the possible genotypes for a healthy child?
b. What is the genotype for the child with cystic fibrosis?
a. CC or Cc. b. cc.
500
Cystic fibrosis is a genetic disease that causes serious respiratory problems. Brad and Janet are healthy adults with three children. Two of the children appear to be healthy and one child has cystic fibrosis. The normal allele is represented as C. The disease-causing allele is represented as c. A person who is homozygous for the c allele will have the cystic fibrosis disease. What is Brad’s genotype? What is Janet’s genotype?
Brad = Cc; Janet = Cc
500
Four stages in the production of protein molecules in a cell are listed below.
1 - Transfer RNA molecules bring amino acids to the ribosome.
2 - DNA molecules serve as templates for messenger RNA molecules.
3 - Messenger RNA molecules move to ribosomes.
4 - A chain of amino acids forms on the ribosome.
Which sequence best represents the correct order of these stages?
2 – 3 – 1 – 4
500
What are the stages of mitosis
Interphase
Prophase
Metaphase
Anaphase
Telophase
Cytokinesis