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Flashcards in Biology Deck (24)
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1
Q

gene

A

the molecular unit of heredity of a living organism

2
Q

allele

A

one of 2 or more forms of the same gene

3
Q

Gregor Menadel

A

Father of genetics; studied inheritance in pea plants

4
Q

Law of Dominance

A

one trait masks the effects of another trait

5
Q

Law of segregation

A

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

6
Q

Law of Independent Assortment

A

Each gene is inherited independently of other traits

7
Q

Ratio

A

comparing similar groups using numbers

8
Q

cell cycle

A

series of events that take place in a cell

9
Q

mitosis

A

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

10
Q

cytokinesis

A

brings separation into 2 daughter cells

11
Q

chromosomes

A

carry genetic info

12
Q

sister chromatic

A

single chromosome is replicated

13
Q

spindle

A

collection of minuet fibers composed of microbes

14
Q

gametes

A

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

15
Q

fertilization

A

fusion male + female gametes

16
Q

Diploid

A

containing 2 complete sets of chromosomes one from each parent

17
Q

meiosis

A

cell division resulting in 4 daughter cells

18
Q

crossing over

A

exchange of genes when cells cross each other

19
Q

cancer

A

uncontrolled cell division

20
Q

carrier

A

A person who is heterozygous for a recessive disorder

21
Q

Multiple Alleles

A

having more than two alleles for a specific trait

22
Q

US blood percentage

A

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

23
Q

How do you determine the phenotypic ratio?

A

Dominate:Recessive

24
Q

Who discovered sex linked genes?

A

Thomas Hunt Morgan