Genetics Exam Review

Question 1

A new variety of tomato is better tasting and can be stored longer than other tomatoes. This is

Accepted Answer

genetic engineering

Question 2

In living things, traits are passed on from one generation to the next by the transfer of

Accepted Answer

DNA

Question 3

Which term identifies a single unit of hereditary information?

Accepted Answer

gene

Question 4

What percentage of the offspring’s genetic information is the same as the parent?

Accepted Answer

100%

Question 5

A structure that carries a single unit of hereditary information is a

Accepted Answer

gene

Question 6

In humans, a trait can be determined by one pair or many pairs of

Accepted Answer

genes

Question 7

A plant produces plants around its leaves thatfall to the ground and become new plants. This is

Accepted Answer

asexual reproduction

Question 8

Which human organ system produces sperm or egg cells?

Accepted Answer

reproductive system

Question 9

Asexually produced offspring are genetically

Accepted Answer

identical to the parent

Question 10

Naturally occurring variations within a species are mainly the result of mutations and

Accepted Answer

sexual reproduction

Question 11

Which of the organisms shown below consists of only one cell?

Accepted Answer

ameba

Question 12

An organism that contains chloroplasts is able to produce food by the process of

Accepted Answer

photosynthesis

Question 13

Which process is shown in the diagram below?

Accepted Answer

fertilization

Question 14

In a one-celled organism, cell division is responsible for

Accepted Answer

asexual reproduction

Question 15

Which process is a cause of variation in a species?

Accepted Answer

sexual reproduction

Question 16

Some one-celled organisms can reproduce by the process of

Accepted Answer

cell division

Question 17

An organism is born with a genetic abnormality not present in its ancestors- most likely b/c of

Accepted Answer

mutation

Question 18

The vast variety of different traits found in humans result from

Accepted Answer

sexual reproduction and mutation

Question 19

Which model can be used to trace genetic inheritance?

Accepted Answer

pedigree chart

Question 20

If there are 48 chromosomes in each body cell. How many chromosomes are in each sperm cell?

Accepted Answer

24

Question 21

The difference in the cats' fur length and patterns is most likely due to

Accepted Answer

sexual reproduction

Question 22

One function of a plants seed is to

Accepted Answer

provide food for early development

Question 23

Compared to the amount of hereditary information in a body cell, how much is in a sex cell?

Accepted Answer

one-half the amount

Question 24

What are genes composed of?

Accepted Answer

DNA

Genetics Exam Review

Questions 24

Genetics Exam Review

Questions 24