Bju Science 7 - Chapter 8B

Front 1

Define: selective breeding

Back 1

a process where man chooses organisms with desirable traits and breeds them hoping that their offspring will have those same traits

Front 2

Define: inbreeding

Back 2

the mating of an organism with its close relatives or, in the case if plants, with itself (called self-pollination)

Front 3

Define: breed

Back 3

a group of organisms that are purebred for the desired traits and to produce offspring with these same traits.

Front 4

Define: crossbreeding (or hybridization)

Back 4

involves breeding individuals from different varietites to produce offspring that have the traits of both parents.

Front 5

Define: hybrid vigor

Back 5

The characteristic that results when the offspring produced by crossbreeding are stronger than their parents

Front 6

Define: biotechnology

Back 6

using living organisms to make new, more desirable organisms or products

Front 7

Define: genetic engineering

Back 7

using special techniques to control the genetic makeup of an organism.

Front 8

Define: clone

Back 8

a group of genetically identical orgamisms that were produced by asexual reproduction

Front 9

What is a natural human clone?

Back 9

identical twins

Front 10

Section 8B - Question 1
To produce a litter of purebred dogs, would you mate a poodle with a poodle or a poodle with a beagle?

Back 10

poodle with a poodle

Front 11

Section 8B - Question 2
Does crossbreeding usually produce breeds or hybrids?

Back 11

hybrid

Front 12

Section 8B - Question 3
Natural human clones are called _________.

Back 12

identical twins

Front 13

Seciton 8B - Question 4
What is the purpose of the Human Genome Project?

Back 13

to study the 23 pairs of human chromosomes and to match those genes to all the human traits