Lesson 1 - DEFINITION OF TERMS

Question 1

the transmission from generation to generation through the process of reproduction in plants and animals of factors which causes the offspring to resemble their parents

Answer 1

Heredity

Question 2

the ultimate units by which inheritable characteristics are transmitted to succeeding generations in animals and plants

Answer 2

Genes

Question 3

one of two or more alternative forms of a gene that occ particular chromosome

Answer 3

Allele

Question 4

when the two alleles are the same

Answer 4

Homozygous

Question 5

When the two alleles are different, the dominant allele is expressed

Answer 5

Heterozygous

Question 6

a term applied to the trait (allele) that is expressed

Answer 6

Dominant

Question 7

a term applied to a trait that is only expressed when the second allele is the same

Answer 7

Recessive

Question 8

the sum total of genes/hereditary factors in an organism

Answer 8

Genome

Question 9

is the genetic makeup or the genetic constitution of an organism

Answer 9

Genotype

Question 10

is the physical appearance or the observable properties of an organism produced by the genotype in conjunction with the environment.

Answer 10

Phenotype