Chapter 4 Heredity

Question 1

Heredity

Answer 1

Passing of physical characteristics from parents to offsprings

Question 2

Specific characteristics

Answer 2

Trait

Question 3

The scientific study of heredity

Answer 3

Genetics

Question 4

A new organism begins to form when eggs and sperm cells join

Answer 4

Fertilization

Question 5

Organism with the Same form of a trait

Answer 5

Purebred

Question 6

How do alleles affect inheritance

Answer 6

An organisms traits are controlled by the alleles it inherits from its parents

Question 7

Gene

Answer 7

Factors that control a trait

Question 8

Alleles

Answer 8

Different forms of a gene

Question 9

Dominant allele

Answer 9

Trait that always shows up in organism when allele is present

Question 10

Recessive allele

Answer 10

Hidden or never the dominant allele is present

Question 11

Hybrid or heterozygous

Answer 11

Organism that has two different alleles for a trait

Question 12

Probability

Answer 12

Number that describes how likely an event will occur

Question 13

Punnet square

Answer 13

Chart that shows all the possible ways alleles can combine in a genetic cross

Question 14

How is probability related to inheritance

Answer 14

The combination of alleles that parents can pass to an offspring is based on probability

Question 15

Phenotype

Answer 15

An organisms physical appearance visible traits

Question 16

Genotype

Answer 16

Genetic make up or alleles

Question 17

Homozygous

Answer 17

Organism that has two identical alleles for a trait