The Basics
That's Twisted!
Designer Genes
What are the Chances?
It's All in the Family
100
The scientific study of heredity is called ...
What is GENETICS
100
Double stranded series of nucleic acids that stores an organism's entire genetic material.
What is DNA
100
Small sections of DNA that code for a specific trait
What are GENES
100
A tool that can help you understand how the laws of probability apply to genetics
What is a PUNNETT SQUARE
100
The Passing of physical characteristics from parents to offspring
What is Heredity
200
Different characteristics such as color and height are called ...
What is a TRAIT
200
One of the 23 pairs of these found in every human cell.
What are CHROMOSOMES?
200
An organism's traits are controlled by the ________ it inherits from its parents.
What are ALLELES
200
An organism that has two identical alleles for a trait is said to be ___________
What is HOMOZYGOUS
200
A trait that an organism obtains from their parents
What is INHERITED
300
An organism's genetic makeup, or allele combinations
What is GENOTYPE
300
A change in the nucleotide sequence of a gene
What is a mutation
300
Allele whose trait always shows up in the organism when the allele is present
What is a DOMINANT ALLELE
300
An organism that has two different alleles for a trait is said to be ______________
What is HETEROZYGOUS
300
A recessive allele is represented by a __________ letter, while dominant allele is represented by a __________ letter.
What is LOWERCASE and UPPERCASE
400
An organism's physical appearance, or visible traits
What is PHENOTYPE
400
The shape of DNA
What is a double helix
400
Allele whose trait is hidden whenever the dominant allele is present
What is a RECESSIVE ALLELE
400
If Brown fur (B) is dominant to Black fur (b), what % chance is there that these dogs would have puppies with Brown fur?
What is 100%
400
What do you know about the genotype of the parents?
The are HETEROZYGOUS.
500
The complementary sequence for this strand of DNA
TAGGCA
What is ATCCGT
500
A phosphate, sugar, and nitrogen base combine to make this biomolecule
What is a a nucleotide
500
The ability to turn genes on or off
What is gene regulation
500
Brown hair (B) is dominant to blonde hair (b). How many offspring would you expect to have brown hair in a cross between 1 homozygous dominant and 1 homozygous recessive parent.
4/4 OR 100%
500
Two parents are heterozygous for cleft chins. They have a child without a cleft chin because cleft chins are this kind of trait.
What is recessive trait