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Genetics Terminology and Concepts, Quizzes of Biology

Various terms and definitions related to genetics, including types of twins, genetic disorders, inheritance patterns, glands, and reproductive strategies. It also discusses concepts such as meiosis, mitosis, and the role of hormones in reproduction.

Typology: Quizzes

2012/2013

Uploaded on 03/13/2013

lmparme
lmparme 🇺🇸

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TERM 1
Fraternal Twins
DEFINITION 1
Dizygotic Twins
TERM 2
Identical Twins
DEFINITION 2
monozygotic
TERM 3
Plan B
DEFINITION 3
Must be taken within 72 hours. -No pregnancy
TERM 4
RU486
DEFINITION 4
Taken up to nine weeks of development. ('abortion pill") -
Yes Pregnancy
TERM 5
Law of segregation
DEFINITION 5
Particles segregated in gamete formation
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Fraternal Twins

Dizygotic Twins

TERM 2

Identical Twins

DEFINITION 2

monozygotic

TERM 3

Plan B

DEFINITION 3

Must be taken within 72 hours. -No pregnancy

TERM 4

RU

DEFINITION 4

Taken up to nine weeks of development. ('abortion pill") -

Yes Pregnancy

TERM 5

Law of segregation

DEFINITION 5

Particles segregated in gamete formation

Allele

Different forms of gene

TERM 7

What is an example of a Dihybrid cross?

DEFINITION 7

Pea Example

TERM 8

Incomplete Dominance

DEFINITION 8

When the the heterzoygote has the intermediates between

both parental types

TERM 9

Co-Dominance?

DEFINITION 9

When the heterozygote is like both parental types and there

is no mixing or blending.

TERM 10

Complete dominance?

DEFINITION 10

When one trait covers or mask another trait entirely

What letters have huntington's disease?

HH an Hh

TERM 17

Which letters will not have huntington's

disease?

DEFINITION 17

hh

TERM 18

What does genetic testing allow you to

do?

DEFINITION 18

it allows you to find out what your offspring is predisposed

to.

TERM 19

What can non-disjuction chromosome be led

to?

DEFINITION 19

Miscarriage, Aneuploidy, and Trisomy

TERM 20

Amniocentesis

DEFINITION 20

takes place at least 16 weeks, takes 4 weeks to receive

results.

CVS

removes small portion of placenta. Results given at 10

weeks or 2 and half months

TERM 22

PGD

DEFINITION 22

Preimplantation genetic diagnosisEmbryo test

TERM 23

Spermatogenesis

DEFINITION 23

Mens production

TERM 24

Testes

DEFINITION 24

Sperm production (outside of the body to control

temperature)

TERM 25

Seminiferous tubules

DEFINITION 25

Where sperm is made. Where meiosis takes place. Millions

and millions of cells can be produced at a fairly rapid rate.

Bulbourethral Gland

bulb at base of urethral also adjust pH, but of the MALE, not

female. Secretions before ejeacualtion, neutralizing male

reproduction system to increase.

TERM 32

Oogenesis

DEFINITION 32

all eggs developed by the end of the 1st trimester of her

development until puberty. At puberty 1 egg per month

matures and stops at menopause

TERM 33

Ovary

DEFINITION 33

egg production

TERM 34

Oviduct

DEFINITION 34

transport to uterus where development takes place

TERM 35

Cervix

DEFINITION 35

Barrier between chamber where embryonic development

takes place and the vaginal opening

Vagina

receives gametes

TERM 37

Where are most eggs

found?

DEFINITION 37

In the ovary from birth

TERM 38

Follicle

DEFINITION 38

egg + surrounding cells. All cells are pumping energy into

egg. When ovulation occurs, follicle ruptures annd travels

down.

TERM 39

When does fertilization

occur?

DEFINITION 39

it usually happens within the first 24 hours

TERM 40

How long does it take for the zygote to get to

the uterus?

DEFINITION 40

about 1 week

What is a female reproductive strategy?

quality not quantity. A lot of energy investment into

individual cells.

TERM 47

Why is day 14 so important for

development?

DEFINITION 47

legal - experimentation,Health/Society/$$$ - Brain and spinal

chord are beginning to develop - When does life begin? - B-

Folate is needed.

TERM 48

What does the brain says?

DEFINITION 48

NO MORE EGGS

TERM 49

What is the cervix low in?

DEFINITION 49

Low Acidity

TERM 50

What happens after ovulation occurs?

DEFINITION 50

The follicle becomes and corpus luteum (body-yellow) which

produces progeterone.

What happens to the cervical

mucus?

becomes Thick, pasty, white, etc.

TERM 52

What is the function of mitosis?

DEFINITION 52

Grow, Repair, and Replicate

TERM 53

Where does Mitosis occur?

DEFINITION 53

in somatic cells, ( Body Cells)

TERM 54

S stands

for?

DEFINITION 54

Synthesis of DNA chromosomes replicate

TERM 55

G2 stands

for?

DEFINITION 55

more metabolism

What is the third source of genetic

variation?

fertilization of the cell (likelihood that parents came up with

YOU is 1/64 trillion possibilities)

TERM 62

What are microtubules?

DEFINITION 62

protein fibers that stretch the cell and move the

chromosomes.

TERM 63

How does oral contraceptive work to prevent

contraception?

DEFINITION 63

By realizing certain hormones that trick the woman's body

into thinking that she is pregnant.

TERM 64

What is the difference between cell division in

animal and plant cells?

DEFINITION 64

Plant cells create new cell walls in cytoknesis while animal

cells spilt apart

TERM 65

What happens during metaphase II?

DEFINITION 65

crossing over occurs

What does it mean for chromosomes to be

homologous?

it means they are maternal and paternal of the same

chromosome.

TERM 67

What is the purpose of meiosis?

DEFINITION 67

To produce gametes.

TERM 68

How are the structures of the egg and the

sperm well adapted to their functions?

DEFINITION 68

egg is with rich with nutrients for the growing zygote and

sperm is small, agile and coated with an enzyme to allow

easy entrance.

TERM 69

What do follicle cells

do?

DEFINITION 69

They help the oocyte (egg) growth with the uterus

TERM 70

If a trait is autosomal recessive, what does an

organism need to have in order to have that

trait?

DEFINITION 70

It has to inherit recessive alleles for the trait from its parents

(s)