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Vocabulary
Vocabulary Continued
DNA
Probabilities
Random
100
The factors that control a trait.
What is a gene?
100
The study of heredity.
What is genetics?
100
A DNA molecule is made up of ____ strands.
What is 2?
100
A tool that helps determine the probability of offspring and their traits.
What is a Punnett Square?
100
HH is ___________ ____________.
What is homozygous dominant?
200
The allele that is hidden when the dominant allele is present.
What is a recessive allele?
200
The process in which a new organism begins to form when egg and sperm join.
What is fertilization?
200
A phosphate, deoxyribose sugar, and nitrogen bases join to form 1 _________________.
What is a DNA?
200
Cross an individual that is heterzygous for hitch-hikers thumb with another that is homozygous recessive? (Hitch-hikers is dominant to normal thumb). What is the probability offspring will have normal thumbs?
What is Hh x hh? 50% with normal thumbs.
200
DNA cannot leave the nucleus, but a copy of its information ____ can enter the cytoplasm.
What is mRNA?
300
The different forms of a gene?
What is an allele?
300
The generation from which the offspring came from.
What is the parental generation?
300
A condensed form of DNA.
What is a chromosome?
300
Physical appearance of an organism.
What is a phenotype?
300
In RNA, Thymine is replaced with ___________.
What is Uracil?
400
The offspring of many generations that have the same trait (parents are the same).
What is a purebred?
400
The second generation after the parental generation.
What is the F2 generation?
400
There are ____ different types of nitrogen bases.
What is 4?
400
Red petals are dominant to white petals on a flower. Cross a purebred red flower with a hybrid flower. What is the probability their offspring will be red?
What is 100% red?
400
This organelle helps make proteins.
What is a ribosome?
500
An organism whose parents are both purebreds, but for different traits (2 different alleles for a trait).
What is a hybrid?
500
A purebred organism will always be __________.
What is homozygous?
500
Adenine always pairs with ____________. Cytosine always pairs up with ____________.
What is Thymine? What is Guanine?
500
Brown eyes are dominant to green eyes. Cross an individual that is homozygous dominant with another organism that is heterozygous. What is the probability their offspring will have green eyes?
What is 0% green eyes?
500
The process in which a DNA molecule is split open and copied.
What is replication?