IS IT SELECTIVE BREEDING OR GENETIC ENGINEERING?

IS IT SELECTIVE BREEDING OR GENETIC ENEGINEERING?

AJH SCIENCE DEPARTMENT
WINTER 2025

REMEMBER...LOOK AT THE WORDS

SELECTIVE BREEDING - "SELECTIVE" MEANS TRAITS ARE CHOSEN.
GENETIC ENGINEERING - "GENETIC" MEANS DNA IS ALTERED.
NATURAL SELECTION - "NATURAL" MEANS NATURAL.

Multiple Choice

A horse trainer wants to make more money and has his winning male horse, who has long legs to win races, mate with female horses.  The hope is the offspring will get the long legs so that the trainer can sell the horse to an owner, who will want to win a big horse race one day. 

• NATURAL SELECTION

• SELECTIVE BREEDING

• GENETIC ENGINEERING

Multiple Choice

A biologist at an agriculture laboratory is asked to develop a better quality blueberry plant.  He is given plant that produce unusually large blueberries and plant that produce very sweet blueberries.

• NATURAL SELECTION

• SELECTIVE BREEDING

• GENETIC BREEDING

Multiple Choice

If a person takes the gene from one dog and places it inside the body of another dog, this is an example of

• NATURAL SELECTION

• SELECTIVE BREEDING

• GENETIC ENGINEERING

Multiple Choice

All dogs are related to the gray wolf. How did humans create different dog breeds from one common ancestor?

• SELECTIVE BREEDING

• NATURAL SELECTION

• GENETIC ENGINEERING

Multiple Choice

Giraffe necks became longer as their food source got taller over time through:

• NATURAL SELECTION

• SELECTIVE BREEDING

• GENETIC ENGINEERING

Multiple Choice

Farmers take two fattest pigs and mate them

• NATURAL SELECTION

• SELECTIVE BREEDING

• GENETIC ENGINEERING

Multiple Choice

A scientist takes DNA from a species of tomato that has the best flavor and adds it to the DNA of a tomato that grows fast:

• NATURAL SELECTION

• SELECTIVE BREEDING

• GENETIC ENGINEERING

Multiple Choice

Whale lost their legs and moved to swimming as their environment became covered with water.

• NATURAL SELECTION

• SELECTIVE BREEDING

• GENETIC ENGINEERING

Multiple Choice

Scientists attempted to change the population of fish living in a lake.  Fish that were “culled” were fished out and eaten.  Those that were “saved” were released back into the lake to reproduce. 

• NATURAL SELECTION

• SELECTIVE BREEDING

• GENETC ENGINEERING

Poll

I think humans have been using __________

 for longer.

• NATURAL SELECTION

• SELECTIVE BREEDING

• GENETIC ENGINEERING