plants + alleles

Question 1

heterozygous

Answer 1

an organism having a dominant and recessive allele of a GENE

Question 2

what does the phloem do?

Answer 2

transports SUGAR up and down the plant, through TRANSLOCATION

Question 3

what speeds up transpiration?

Answer 3

High Temperature, Less Humidity, Increased Light, Increased Air Movement

Question 4

recessive allele

Answer 4

is MASKEDby a dominant allele

Question 5

xylem

Answer 5

carries Water and Mineral ions UPWARDS only

Question 6

cystic fibrosis allele

Answer 6

RECESSIVE

Question 7

polydactyly allele

Answer 7

DOMINANT

Question 8

what is transpiration

Answer 8

LOSS of water through the STOMATA from evaporation

Question 9

homozygous

Answer 9

an organism that has TWO alleles for a particular GENE

Question 10

what is a palisade

Answer 10

tissue of the leaf which has the highest number of CHLOROPLAST

Question 11

phenotype

Answer 11

PHYSICAL appearance of the allele

Question 12

allele

Answer 12

an ALTERNATIVE version of a gene

Question 13

mutation

Answer 13

change in DNA - change in amino acids - different proteins

Question 14

genotype

Answer 14

COMBINATION of allele to form a gene

Question 15

guard cells

Answer 15

allow stomata to OPEN and CLOSE during the day and night

Question 16

natural selection

Answer 16

FITTEST ones will pass the good alleles