Science

Question 1

recessive allele

Answer 1

Recessive refers to a type of allele which will not be manifested in an individual unless both of the individual’s copies of that gene have that particular genotype.

Question 2

hybrid

Answer 2

hybrid, offspring of parents that differ in genetically determined traits.

Question 3

heredity

Answer 3

the passing on of physical or mental characteristics genetically from one generation to another.

Question 4

purebred

Answer 4

consists of gene pairs with genes that are the SAME

Question 5

trait

Answer 5

A trait is a specific characteristic of an organism. Traits can be determined by genes or the environment, or more commonly by interactions between them.

Question 6

gene

Answer 6

A gene is the basic physical and functional unit of heredity. Genes are made up of DNA and each chromosome contains many genes.

Question 7

genetics

Answer 7

Genetics is the scientific study of genes and heredity

Question 8

alleles

Answer 8

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 9

fertilization

Answer 9

Fertilization is defined as the union of two gametes. During fertilization, sperm and egg fuse to form a diploid zygote to initiate prenatal development.

Question 10

dominant allele

Answer 10

A dominant allele is a variation of a gene that will produce a certain phenotype, even in the presence of other alleles.