SCIENCE TEST

Question 1

inherited traits

Answer 1

traits that are passed down from your parents. You are born with them.

Question 2

gene

Answer 2

Controls traits, located on chromosomes

Question 3

dominant traits

Answer 3

stronger gene that is shown

Question 4

recessive trait

Answer 4

weaker gene that is hidden

Question 5

allele

Answer 5

different forms of the same gene.

Question 6

genotype

Answer 6

an organisms genetic make up (HH, Hh, hh)

Question 7

phenotype

Answer 7

physical appearance (black fur, blue eyes)

Question 8

heterozygous

Answer 8

having two different alleles

Question 9

homozygous

Answer 9

having two identical alleles

Question 10

purebred

Answer 10

an organism that is homozygous for a trait

Question 11

hybrid

Answer 11

an organism that is heterozygous for a trait

Question 12

probability

Answer 12

predicting the chance something will happen

Question 13

punnett square

Answer 13

predicts the way genes can combine

Question 14

incomplete dominance

Answer 14

neither gene is dominant over the other, they blend together

Question 15

polygenic inheritance

Answer 15

more than one gene controls the trait

Question 16

mutation

Answer 16

change in the DNA

Question 17

sex linked disorder

Answer 17

A disease or disorder on a sex chromosome

Question 18

acquired traits

Answer 18

traits that u learn after birth