Idk

Question 1

What is the basic unit of heredity?

Answer 1

Gene

Question 2

True or False: A dominant allele can mask the expression of a recessive allele.

Answer 2

True

Question 3

Fill in the blank: The physical appearance of an organism is called its _____.

Answer 3

phenotype

Question 4

What term describes the genetic makeup of an organism?

Answer 4

genotype

Question 5

Multiple Choice: Which of the following is NOT a method of asexual reproduction? a) Binary fission b) Budding c) Meiosis d) Fragmentation

Answer 5

c) Meiosis

Question 6

What is the process by which organisms better adapted to their environment tend to survive and produce more offspring called?

Answer 6

Natural selection

Question 7

True or False: Variation in a population can occur due to mutations.

Answer 7

True

Question 8

Fill in the blank: The study of how traits are passed from parents to offspring is known as _____.

Answer 8

genetics

Question 9

What type of reproduction involves the fusion of male and female gametes?

Answer 9

Sexual reproduction

Question 10

Multiple Choice: Which of the following is a source of genetic variation? a) Independent assortment b) Mitosis c) Cloning d) All of the above

Answer 10

a) Independent assortment

Question 11

What is the term for a change in the DNA sequence of a gene?

Answer 11

Mutation

Question 12

True or False: All mutations are harmful.

Answer 12

False

Question 13

Fill in the blank: The observable differences between individuals in a population are referred to as _____.

Answer 13

variation

Question 14

What is the theory that explains how species evolve over time through the process of natural selection?

Answer 14

Darwin’s theory of evolution

Question 15

Multiple Choice: Which of the following best describes a phenotype? a) A genetic trait b) A physical characteristic c) A type of allele d) A mutation

Answer 15

b) A physical characteristic

Question 16

What do we call the combination of alleles an individual has for a specific gene?

Answer 16

Genotype

Question 17

True or False: Sexual reproduction leads to greater genetic diversity compared to asexual reproduction.

Answer 17

True

Question 18

Fill in the blank: The process by which genetic information is copied from DNA to RNA is called _____.

Answer 18

transcription

Question 19

What is a homozygous genotype?

Answer 19

A genotype with two identical alleles for a trait.

Question 20

Multiple Choice: Which of the following best describes evolution? a) Change in allele frequencies over time b) Change in physical appearance c) Change in environment d) Change in population size

Answer 20

a) Change in allele frequencies over time

Question 21

What is the main purpose of meiosis?

Answer 21

To produce gametes with half the number of chromosomes.

Question 22

True or False: Alleles are different forms of a gene.

Answer 22

True

Question 23

Fill in the blank: The process by which traits are passed from parents to offspring is called _____.

Answer 23

inheritance

Question 24

What is a phenotypic ratio?

Answer 24

The ratio of different phenotypes in the offspring.

Question 25

Multiple Choice: Which of the following processes increases genetic variation? a) Mitosis b) Crossing over c) Cloning d) Budding

Answer 25

b) Crossing over

Question 26

What is speciation?

Answer 26

The process by which new species arise.