Biology

Question 1

gene

Answer 1

the molecular unit of heredity of a living organism

Question 2

allele

Answer 2

one of 2 or more forms of the same gene

Question 3

Gregor Menadel

Answer 3

Father of genetics; studied inheritance in pea plants

Question 4

Law of Dominance

Answer 4

one trait masks the effects of another trait

Question 5

Law of segregation

Answer 5

2 alleles for each trait will separate during the formation of gametes

Question 6

Law of Independent Assortment

Answer 6

Each gene is inherited independently of other traits

Question 7

Ratio

Answer 7

comparing similar groups using numbers

Question 8

cell cycle

Answer 8

series of events that take place in a cell

Question 9

mitosis

Answer 9

cell division in which 2 daughter cells have same # and kind of chromosomes as parent nucleus

Question 10

cytokinesis

Answer 10

brings separation into 2 daughter cells

Question 11

chromosomes

Answer 11

carry genetic info

Question 12

sister chromatic

Answer 12

single chromosome is replicated

Question 13

spindle

Answer 13

collection of minuet fibers composed of microbes

Question 14

gametes

Answer 14

Haploid that is able to unite with another of the opposite sex to form zygote

Question 15

fertilization

Answer 15

fusion male + female gametes

Question 16

Diploid

Answer 16

containing 2 complete sets of chromosomes one from each parent

Question 17

meiosis

Answer 17

cell division resulting in 4 daughter cells

Question 18

crossing over

Answer 18

exchange of genes when cells cross each other

Question 19

cancer

Answer 19

uncontrolled cell division

Question 20

carrier

Answer 20

A person who is heterozygous for a recessive disorder

Question 21

Multiple Alleles

Answer 21

having more than two alleles for a specific trait

Question 22

US blood percentage

Answer 22

44% O
42% A
10% B
4% AB

Question 23

How do you determine the phenotypic ratio?

Answer 23

Dominate:Recessive

Question 24

Who discovered sex linked genes?

Answer 24

Thomas Hunt Morgan