heredity

Question 1

heredity

Answer 1

the passing of genetic traits from parents to offspring

Question 2

dominant trait

Answer 2

In genetics, a trait that will appear in the offspring if one of the parents contributes it.

Question 3

recessive trait

Answer 3

Recessive traits can be carried in a person’s genes without appearing in that person.

Question 4

Genes

Answer 4

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

Question 5

Alleles

Answer 5

one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.

Question 6

phenotype

Answer 6

the set of observable characteristics of an individual resulting from the interaction of its genotype

Question 7

Genotype

Answer 7

the genetic constitution of an individual organism.

Question 8

probabilty

Answer 8

the likelihood of something happening or being the case.

Question 9

Meiosis

Answer 9

a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell.

Question 10

Sex chromosomes

Answer 10

a chromosome involved with determining the sex of an organism, typically one of two kinds.

Question 11

Pedigree

Answer 11

the record of descent of an animal, showing it to be purebred.

Question 12

DNA

Answer 12

the fundamental and distinctive characteristics or qualities of someone or something.

Question 13

Nucleotide

Answer 13

compound consisting of a nucleoside linked to a phosphate group.

Question 14

Mutations

Answer 14

the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations.