Vocabulary
Punnett Squares
Genotype/phenotypes
Mutation Errors
Mutation Effects
100
What vocabulary word means having different alleles for a gene?
Heterozygous
100
Which square(s) show a homozygous offspring?
C & D
100
Is using the description tall, describing someone's genotype or phenotype?
phenotype
100
A mutation that replaces a nitrogen base with a different one?
Substitution.
100
What happens when DNA goes through deletion?
Causes a forward shift in the rest of the bases.
200
What vocabulary word means a trait that can be covered or blocked?
Recessive
200
What is the probability the offspring will show the recessive trait?
0%
200
Saying someone is heterozygous for a trait describing their genotype or phenotype?
Genotype
200
A mutation that takes out a nitrogen base.
Deletion
200
What happens as a result of insertion?
A backwards shift in the rest of the bases.
300
What vocabulary word means having the same allele in a gene?
Homozygous
300
What does a punnett square show us?
Possible offspring genotypes/phenotypes
300
What is the genetic code to describe a trait?
Genotype
300
A mutation that occurs when chromosomes separate incorrectly during cell division.
nondisjunction
300
What happens as a result of substitution?
Causes a single base change.
400
What vocabulary word describes a trait that covers or blocks another?
Dominant
400
What would be the genotype in box c?
Heterozygous; Gg
400
What is the physical trait that shows?
Phenotype
400
mutation that occurs when a base is added to a strand of DNA
insertion.
400
What is the result of nondisjunction?
A cell will have too many chromosomes while another doesn't have enough.
500
What are the instructions for an inherited trait
Gene
500
One parent is Homozygous recessive for a certain trait, the other is heterozygous. What is the chance that the offspring will be heterozygous?
50%
500
Write down a phenotype.
any example of a physical trait
500
What mutation occurred?
TACTTGCACCGT
TACTGCACCGT
Deletion
500
What are the two types of disorders that can come from nondisjunction?
Trisomy and monosomy