biology help please?

[Aliina]

1. Dimples are a dominant characteristic. If one parent does not have dimples (dd) and one parent is heterozygous for dimples (Dd), what chance does a child have for getting dimples?
a. 100%
b. 50%
c. 25%
d. 0%

2. Blue eyes are an example of a phenotype.
true or false?

3. Which of the following best describes the shape of a DNA molecule?
a. twisted ladder
b. slinky
c. comb
d. rod

4. The following biome is characterized by having evergreen trees, cold winters and grizzly bears:
a. Tundra
b. Taiga
c. Grassland
d. Rain forest

[Peter S]

1. Dimples are a dominant characteristic. If one parent does not have dimples (dd) and one parent is heterozygous for dimples (Dd), what chance does a child have for getting dimples?
a. 100%
b. 50% TRUE
c. 25%
d. 0%

2. Blue eyes are an example of a phenotype.
true or false? TRUE

3. Which of the following best describes the shape of a DNA molecule?
a. twisted ladder TRUE
b. slinky
c. comb
d. rod

4. The following biome is characterized by having evergreen trees, cold winters and grizzly bears:
a. Tundra
b. Taiga TRUE
c. Grassland
d. Rain forest

[Leftover C]

1)c

2)true

3)a

4) Dnt no =[

Ok well thats what I think

[ecolink]

1. B dd x Dd = dd dD dd dD 1 no dimples: 1 dimples
2. True. Phenotypes are the characteristics the individual has.
3. A -- twisted ladder
4. B It's the taiga.

[Pico]

1.b
2.true
3.a
4.b

[Qelery]

1.) b. 50%

2.) True (Phenotype is a characteristic, Genotype means the actual genes)

3.) a. twisted ladder (It has two strands that are twisted like a spiral staircase)

4.) Taiga (Like a Canadian forest with the moose and stuff)

[TheSupressor]

1. b
2. true
3. a
4. b