Science- Sem. 2

Question 1

hereditary

Answer 1

the passing of traits from parents to offspring

Question 2

genetics

Answer 2

study of heredity

Question 3

chromosomes

Answer 3

the structure of a cells nucleus that contains genetic material

Question 4

genes

Answer 4

segment of DNA on a chromosome

Question 5

trait

Answer 5

a feature that an organism inherits from its parents, such as eye color, that is coded for by DNA

Question 6

alleles

Answer 6

alternate forms of a gene; produce variations in traits

Question 7

genotype

Answer 7

genes that an organism has- its genetic makeup

Question 8

phenotype

Answer 8

observable product of genetic makeup and the environments influences on that genetic makeup

Question 9

dominant

Answer 9

allele that will show its effect on the phenotype whenever it is present in the genotype

Question 10

recessive

Answer 10

allele that will show its effect on the phenotype whenever it is present in the genotype

Question 11

heterozygous

Answer 11

having two different alleles for a trait

Question 12

homozygous

Answer 12

having two identical alleles for a trait

Question 13

purebred

Answer 13

an organism that always produces offspring with the same for of traits as itself