Heredity cards.

Question 1

Heredity

Answer 1

the passing of genetic traits from parent to offspring.

Question 2

dominant trait

Answer 2

the trait observed in the first generation when parents that have different traits are bred.

Question 3

recessive trait

Answer 3

a trait that reappears in the second generation after disappearing in the first generation when parents with different traits are bread.

Question 4

gene

Answer 4

one set of instruction s for an inherited trait.

Question 5

allele

Answer 5

one of the alternative forms of a gene that governers a characterstic, such as good heir color.

Question 6

phenotype

Answer 6

an organisms appearance or other detectable characteristic.

Question 7

genotype

Answer 7

the entire genetic makeup of an organism also the combination of genes for one or more specific traits.

Question 8

probability

Answer 8

the likelihood that a possible future event will accur in any given instance of the event

Question 9

meiosis

Answer 9

a process in cell divison during which the number of chromosomes decresses to half of the original number by two divisions of the nucleus which results in the production of sex cells.

Question 10

sex chromosome

Answer 10

one of the pair of chromosomes that determine the sex of an individual.

Question 11

pedigree

Answer 11

A diagram that shows the occurrence of a genetic trait in sevral generations of a family

Question 12

DAN

Answer 12

deoxyribonucleic acid, a molecule that is present in all living cells and that contains the information that determines the traits that a living thing inherits and needs to live.

Question 13

nucleotide

Answer 13

in a nucleic-asid chain, a subnit that consists of a sugar, a phosphate, and a nitrogenous base.

Question 14

mutation

Answer 14

a change in the nucleotide- based sequence of a gene or DNA molecule.

Question 15

RNA

Answer 15

ribonucleic acid, a molecule that is present in all living cells and that plays a role in protenin production.