Bio Lab 4

Question 1

Life cycle

Answer 1

Sequence of stages leading from adults of one generation to the next

Question 2

What is an essential factor of life cycle

Answer 2

2 sets of chromosomes

Question 3

All sexual life cycles include

Answer 3

Alternation of diploid

And haploid

Question 4

What is the haploid and what does it result from

Answer 4

Eggs and sperm

Cell division process of meiosis

Question 5

When does diploid stage start and produces what

Answer 5

After sperm and egg fertilize

Diploid zygote

Question 6

When does diploid stage continue as the …

Answer 6

Diploid zygote divides by mitosis to develop into multicellular diploid adult

Question 7

The adult produces what by what process

Answer 7

Haploid gametes by meiosis

Question 8

Meiosis is the process that produces what

Answer 8

Gametes necessary for sexual reproduction

Question 9

During meiosis parent cell divides how many times while chromosomes double ? To produce what
Which are haploid or diploid ?

Answer 9

2
1
4 daughter cells
Haploid

Question 10

When two haploid gametes combine it is said to be ?

Answer 10

Diploid

Question 11

Two haploid form to produce what?

Answer 11

Diploid zygote

Unique

Question 12

36 chromosomes can be formed into

Answer 12

23 homologous pairs

Question 13

During meiosis homologous chromosomes do what ? And provide what

Answer 13

Line up two opportunities of diversity

Question 14

What is first opportunity of diversity called

Answer 14

Independent assortment

Question 15

Recombination is what

Answer 15

Crossing over of daughter cells creating not exact copies

Question 16

Formation of zygote is then followed by

Answer 16

Rapid cell divisions without cell growth known as cleavages

Question 17

During division of zygote what remains unchanged and what increases

Answer 17

Volume of embryo

Number of cells

Question 18

Mitosis is

Answer 18

Process of cell division where cell doubles chromosomes and sow rates into two copies with superstar nuclei

Question 19

Mitosis creates how many daughter cells

Answer 19

2 that are identical

Question 20

What is function of mitosis

Answer 20

Somatic cells

Question 21

Humans cause what that disrupt urchin eggs

Answer 21

Disturbance

Question 22

What can show water quality y

Answer 22

Percentage of successful fertilization or quality of gametes