Chapter test 5/5/22

Question 1

T/F - Unlike DNA,RNA has the nitrogenous base uracil

Answer 1

True

Question 2

T/F - Chromosomes are made up of proteins joined together like beads on a string

Answer 2

False

Question 3

T/F - Each time a coin is tossed their is a 75% chance the coin will land heads up

Answer 3

False

Question 4

T/F - The passing of traits from parents to the offspring is called dominant

Answer 4

False

Question 5

A change in a gene or chromosome is called_______

Answer 5

Mutation

Question 6

__________ is the process by which the numbers of chromosomes is reduced by half to form sex cells.

Answer 6

Meiosis

Question 7

According to the chromosome theory of inheritance________ are carried to the parent offspring.

Answer 7

genes

Question 8

__________ is an organism that has 2 different traits

Answer 8

Heterogenozes

Question 9

The different forms of a gene is called

Answer 9

Alleles

Question 10

Allele whose trait always shows up in an organism when the allele is present is a ______________

Answer 10

dominant

Question 11

When a plant has 2 dominant alleles for tall stems how is it written?

Answer 11

Two dominant capital letters

Question 12

the likelihood that an event will happen is called________

Answer 12

Probability