Question | Answer |
What is unique about an identical twin's DNA? | identical twins nearly have the same DNA. |
what is carrier? | a person or other organisms that has inherited a recessive allele for a genetic trait. |
what is the difference between mitosis and meiosis? | mitosis occurs both in sexually and asexually reproduction.
meiosis occurs only in sexually reproduction. |
what is sickle-cell anemia? | a disease in which your body produces abnormally shaped red blood cells. |
what is genetic engineering? | genes from one organism transferred into DNA or another organism.l |
what is a gene? | the basic physical and function unit of heredity. |
Describe the types of mutations that can occur. | substitution
deletion
addition
insertion |
how does down syndrome occur? | down syndrome is caused by a person having three copies of chromosomes. |
what are the male and female sex chromosomes? | (xx) female (xy) male |
what rules must be followed when ATCG bases are paired? | the base pairing rules for DNA are governed by the complementary in a g-c and a-t pairing. |
describe DNA | DNA is made up of nucleotide' s. it's shaped like a spiral ladder. |
what is inbreeding? | crossing 2 individuals that have identical alleles. |
what is selective breeding? | selective a few organisms w/ desired traits. |
what was the purpose of the human genome project? | to identify the DNA sequence of every gene in the genome. |
what is genome? | all the DNA in one cell of an organism |
what is mutation? | any change in the gene or chromosome |
what is karotype? | the number and appearance of chromosomes in the nuclues |
traits are influenced by the genes and environmental factors. explain the difference. | human behavior answer the question by calculating herebility factors percentage estimates contribution, that genes make some observed differences |
what is cloning? | an organism that is genetically identical to the organism from where it was born. |