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Write Question and Answer !. What is selective breeding? What is an example of organisms that have been selectively bred?. Warm-Up Questions 3/11. Excessive inbreeding among cheetahs has resulted in a higher death rate among the cheetah population. WHY IS THIS TRUE?

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warm up questions 3 11

Write Question and Answer!

What is selective breeding?

What is an example of organisms that have been selectively bred?

Warm-Up Questions3/11

cool down questions 3 11

Excessive inbreeding among cheetahs has resulted in a higher death rate among the cheetah population. WHY IS THIS TRUE?

Inbreeding decreases genetic variation

Inbreeding produces the worst traits

Inbreeding increases genetic variation

Inbreeding produces more organisms than other breeding methods

Cool-down Questions 3/11

warm up questions 3 12

Write Question and Answer!

The domestic dog was developed through inbreeding from wolves. How might this process occur?

People changed the genetic material in wolves

People eliminated aggressive wolves through hunting

People bred wolves with animals from similar species

People bred wolves with mild tempers over many generations

Warm-Up Questions3/12

inbreedin g
Inbreeding
  • Mating of parents that are genetically closely related
hybridizing
Hybridizing
  • Crossbreeding organisms of two different species
cool down questions 3 12

Use pages 88 – 89 in coach book to answer the following question

What is the difference between hybridization and inbreeding?

Cool-down Questions 3/12

Mule

warm up questions 3 13

Write Question and Answer!

Substitute today: Write warm-up question on board.

Warm-Up Questions3/13

warm up questions 3 14

Write Question and Answer!

  • A scientist crossed a tall pea plant with a short pea plant. Out of the offspring, 39 plants were tall and 13 were short.
  • 1. What is the phenotypic ratio?
      • 4:0
      • 2:2
      • 3:1
  • 2. What percentage describes the short plants?
  • a. 100% b. 75% c. 25% d. 50%

Warm-Up Questions3/14

warm up questions 3 15

Write Question and Answer!

1. Some genetic disorders, such as sickle cell anemia or Tay Sachs, are due to

a ribosome. c. a DNA fingerprint.

a mutation. d. genetic engineering.

2. When a dairy farmer chooses a specific bull to mate with her cows in order to produce calves that will grow up to produce more milk, this process is called

a. genetic typing c. genetic counseling

b. selective breeding d. regeneration

Warm-Up Questions3/15