7th Science Final Exam 2023

Homozygous dominant

• FF

• Ff

• ff

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Homozygous recessive

• FF

• Ff

• ff

No hair on fingers (h) is recessive to hair on fingers (H).

State the phenotype for HH.

• Hair on fingers

• No hair on fingers

Cleft chin (E) is dominant to smooth chin (e).

State the genotype(s) for cleft chin.

• EE only

• ee only

• Ee only

• Both EE and Ee

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Curly hair (H) is dominant to straight hair (h).

State the genotype(s) for straight hair.

• HH only

• hh only

• Hh only

• Both hh and Hh

Segments of DNA are called _______________________

• Genes

• Alleles

• Traits

• Chromosomes

If:

Dominant flower color = Purple (P)

recessive flower color = white (p)

What are the possible genotype(s) for a white flower?

• PP

• Pp

• pp

If a disease strikes the snake population in the food chain shown, what will be the initial effect on the populations of hawks and rabbits?

• The populations of hawks and rabbits will decrease.

• The populations of hawks and rabbits will increase.

• The population of hawks will increase. The population of rabbits will decrease.

• The population of hawks will decrease. The population of rabbits will increase.

What happens when the number of producers shrinks?

• The number of consumers increase.

• The number of decomposers increase.

• The number of consumers decrease.

• The number of producers increase.

What is a primary consumer?

• An organism that eats meat.

• An organism that eats plants.

• An organism that eats dead things.

• An organism that makes it own food.