| A | B |
|---|
| albinism | caused by a mutation that affects pigments |
| breed | a group of organisms that are purebred for a desired characteristics |
| clones | a group of genetically identical organisms produced by sexual reproduction |
| crossbreeding | another name for hybridization |
| fraternal twins | the result of a pregnacy in which two sper unite with two different eggs and form two genetically unique organisms |
| genetic engineering | the use of special techniques to control the genetic makeup of an organism |
| genome | a complete set of an organism's genes |
| hybrid vigor | the condition in which an offspring is stronger than its parents |
| identical twins | the result of and egg and sperm uniting and then the zygote dividing into two |
| inbreeeding | the mating of an organism with a close relative |
| lethal | leading to the death of an organism |
| selective breeding | the choosing of organisms with desirable traits for breeding |
| carrier | has the gene but not the disease |
| diploid | having two sets of chromosomes |
