Genetics and Heredity

Question 1

This law states that one trait may have dominance over the other and mask the recessive trait to keep it from showing in the offspring

Answer 1

Law of dominance

Question 2

This law of genetics states that the genes carried in the same place on homologous chromosomes will separate when gametes form. Thus, the equal contribution of each parent is assured

Answer 2

Law of segregation

Question 3

This law s of genetics states that genes on separate chromosomes are inherited independently

Answer 3

Law of independent assortment

Question 4

Humans have ___ pairs of chromosomes in each cell. Each person has one pair of sex chromosomes, coded __ for females and ___ for males

Answer 4

(1) 23
(2) XX
(3) XY

Question 5

What do you call the remaining 22 pairs of chromosomes?

Answer 5

Autosomes

Question 6

Dominant genes control the _______ of the individual

Answer 6

Phenotype (appearance)

Question 7

This type of chromosomes pair genes for the same characters

Answer 7

Homologous chromosomes

Question 8

This type of trait is an identical pair of alleles on homologous chromosomes for any given trait

Answer 8

Homozygous trait

Question 9

This type of trait is a mixed pair of alleles on homologous chromosomes for any given trait

Answer 9

Heterozygous trait

Question 10

This refers to an organism carrying unlike genes for certain traits

Answer 10

Hybrid

Question 11

This refers to a sudden appearance of a new trait or variation which is inherited

Answer 11

Mutation