DNA/RNA
The structure of DNA is a ______ ______?
A double helix
Where does transcription take place?
in the nucleus
Which statement best describes mutations?
1. All mutations are harmful
2. All mutations are reversible
3. All mutations are caused by radiation
4. All mutations change a cells DNA
4. All mutations change a cells DNA
Gregor Mendel used his pea plants to study how traits are passed along to offspring. He determined that traits are . . .
a. not inherited by offspring
b. inherited by passing alleles from parent to offspring
c. determined by recessive factors only
b. inherited by passing alleles from parent to offspring
An organism’s physical appearance is its
phenotype
What base is in RNA, but not in DNA?
Uracil
The number of nitrogen bases in a codon is?
3
ATTTGAGCC- Original
ATTGAGCC - Mutated
The example above is an example of a _____ mutation
Deletion
An organism that has two identical alleles is called __________.
example: TT or tt
Homozygous
Give an example of a heterozygous genotype
Rr, Tt, Yy etc.
Gregor Mendel used his pea plants to study how traits are passed along to offspring. He determined that traits are inherited by passing _______ from _____ to _______.
Inherited by passing alleles from parents to offspring
the process of making mRNA from DNA is called?
Transcription
True or False: an induced mutation in your genes may occur due to external factors such as chemical exposure or radiation.
true
Does a punnett square show the actual results or the possible results of a genetic cross?
Possible
The allele for blue eyes is "t" while the allele for brown eyes is "T". What percentage of offspring produced by two parents with blue eyes would also have blue eyes?
100%
What's the sequence of mRNA for TACCGCATA
AUGGCGUAU
In RNA, each codon specifies a particular ____ ____.
Amino Acid
Give an example of a point mutation using 3 CODONS
I will check it :) , only one nitrogen base is changed, no frameshift
A carrier is a person who has what kind of alleles?
1 dominant and 1 recessive : heterozygous
This image shows which pattern of inheritance?
spotted flower photo
Incomplete Dominance
which carries the amino acid used to make a protein?
mRNA, rRNA, tRNA
tRNA
Detirmine the amino acids produced given this strand of DNA.
GGC ACG ATC
mRNA: CCG UGC UAG
Amino acids: PROLINE, CYTESINE, STOP
An insertion or deletion can lead to what kind of mutation?
Give an example of that mutation using 3 CODONS
Frameshift, I will check your example
In humans, brown eyes (B) are dominant over blue eyes (b). Leslie's father has brown eyes, but she and her mother both have blue eyes. What is the genotype of Leslie's father?
Bb
Hitchhiker's thumb (H) is dominant to not hitchhiker's thumb (h). A woman who does not have hitchhiker's thumb has children with a man who is heterozygous for hitchhiker's thumb. What is the possible genotypic ratio for their children?
50% Hh : 50% hh