ALL Flashcards
Cancer is a disease in which cells do what?
Grow and Divide uncontrollably
What molecules make up the sides of a DNA molecule?
Deoxyribose and Phosphate
Which branch of science includes the study of plants, animals, and the human body?
Biology
What are the examples of the benefits of genetic engineering?
They can make materials for us such as insulin
The order of the bases along a gene determines the order of what?
The proteins that come out of the ribosome
What is a carrier?
Is a person who has one recessive allele for a trait and one dominant allele.
During DNA replication, adenine (A) always pairs with what?
Thymine (T)
Sex-linked genes are genes on?
Sex Chromosomes
What does messenger RNA do during protein synthesis?
It copies the DNA strand, then it connects to the ribosomes.
How can a mutation affecting skin be harmful to an animal?
It could give the animal skin cancer
How does cancer spread when cells break off a tumor and are carried through the body?
Because they get into the bloodstream
When many genes control a trait, the trait will show a large number of what?
Diversity
A carrier of a trait controlled by a what type of allele, does not express the trait?
Recessive
The genetic code is found in the order of what, along a gene?
Nitrogen bases
Breeders use this technique, to cross genetically different individuals.
Hybridization
What are the nucleotides, and how do they pair up?
Adenine + Thymine (or Uracil), Guanine and Cytosine
How many chromosomes are passed from both parents to the offspring on sex cells?
Dependent on the adults species
Name one of two functions of the sex chromosomes.
Carrying genes that determine the organism’s sex.
Know the difference between a boy and a girl on a chromosomal level.
Y = boy X = girl