Genetics/Male & Female reproduction/ conception

Question 1

gametes

Answer 1

the sex cells from the mother and father that form a new cell at conception

Question 2

zygote

Answer 2

the new cell formed by the process of fertilization

Question 3

genes

Answer 3

the basic units of genetic formation

Question 4

DNA (deoxyribonucleic acid) molecules

Answer 4

the substance that genes are composed of that determines the nature of every cell in the body and how it will function

Question 5

chromosomes

Answer 5

rod-shaped portions of DNA that are organized in 23 pairs!

Question 6

genotype

Answer 6

the underlying combination of genetic material present in an organism

Question 7

phenotype

Answer 7

an observable trait that actually is seen ex. hair color, skin color etc

Question 8

homozygous (BB) or (bb)

Answer 8

inheriting from parents similar genes for a given trait

Question 9

heterozygous (Bb)

Answer 9

inheriting from parents different forms of a gene for a given trait

Question 10

recessive trait

Answer 10

a trait within an organism that is present but not expressed

Question 11

Bb = ?
B for brown
b for blue

Answer 11

brown

Question 12

bb = ?
B for brown
b for blue

Answer 12

blue

Question 13

mom: PP
dad: PP
child?

Answer 13

PP

Question 14

female sign

Answer 14

X

Question 15

male sign

Answer 15

Y

Question 16

mom: BB
dad: Bb
B = brown
b = blue

Answer 16

child has brown eyes

Question 17

mom: Bb
dad: Bb
B = brown
b = blue

Answer 17

child = 75% brown and 25% blue

Question 18

mom: bb
dad: Bb
B = brown
b = blue

Answer 18

child = 50% brown and 50% blue

Question 19

who determines the sex of a child?

Answer 19

The male

Question 20

polygenic inheritance

Answer 20

inheritance in which a combination of multiple gene pairs is responsible for the production of a particular trait