Final Review Part 2 2019 - CP Biology

Watson and Crick discovered

• Natural Selection

• Artificial Selection

• the structure of the cell

• the structure of DNA

Cells in living things perform different functions. This is because as an organism develops, cells become

• large

• specialized

• abiotic

• inorganic

Which is FALSE?

• DNA has a backbone (rails) made of sugar and phosphates.

• In DNA, sugars are paired in the center of the molecule. These are known as the "rungs" and their order holds information.

• DNA is a double helix.

• In DNA, the sugar phosphate backbone is held together by covalent bonds.

Uracil replaces thymine in

• DNA

• RNA

In pea plants, the genotype TT codes for tall. Tall is the plant's ______________.

• Genetic Make-Up

• Mutation

• Sequence

• Phenotype

Look at the cell cycle diagram, where does the cell spend most of its life?

• Interphase

• Cytokinesis

• In a hypertonic environment

• Dividing

A Punnett Square

• was used by Watson and Crick to predict the shape of DNA.

• was used by Darwin to predict an organism's adaptations.

• predicts the outcome for the offspring in a genetic cross.

• predicts how long a cell will be in interphase.

A heterozygous genotype means the two alleles

• are the same.

• are different.

• are dominant.

• are recessive.

Tall (T) is dominant over short (t). A heterozygous tall pea plant is crossed with a short plant. The probability that offspring will be tall is

• 25%

• 50%

• 75%

• 100%

Unlike mitosis, meiosis creates

• diploid (2n) cells

• haploid (n) reproductive cells

• brother cells

• body cells