genatics

Question 1

_________is the study of heredity. Genetics involves studying how traits are passed from parents to offspring.

Answer 1

Genetics

Question 2

___________ is the passing of traits from parents to offspring.

Answer 2

Heredity

Question 3

_______are the characteristics of an organism. Examples are eye color, freckles, height or dimples.

Answer 3

Traits

Question 4

_____________are thread-like structures in the nucleus of cells that carry genetic information. A chromosome consists of a long strand of DNA containing many genes.

Answer 4

Chromosome

Question 5

___________________is a molecule made up of nucleotides that contains genetic information for cell growth, division and function.

Answer 5

DNA

Question 6

______ is a segment on a chromosome that determines a specific trait. Genes are the units of heredity.

Answer 6

Gene

Question 7

_______a different form or version of a gene________usually occur in pairs

Answer 7

allele/alleles

Question 8

__________ a gene variant that is expressed more strongly than other versions of the same gene - the___________ allele masks the effect of the recessive allele

Answer 8

dominant

Question 9

____________ a gene that is masked by a dominant gene, and is only expressed when two copies of the gene are present

Answer 9

recessive