biology voc 3/22

functional unit that controls inherited trait expression

• genes

• homologous

• gametes

• haploid

one of two paired chromosomes, one from each parent, that carries genes for a specific trait at the same location

• genes

• homologous chromosomes

• gametes

• haploid

a haploid sex cell, formed during meiosis

• genes

• homologous chromosomes

• gametes

• haploid

cell with half the number of chromosomes

• genes

• homologous chromosomes

• gametes

• haploid

process by which haploid gametes combine

• fertilization

• diploid

• meiosis

• crossing over

having two copies of each chromosome

• fertilization

• diploid

• meiosis

• crossing over

reduction division process occurring only in reproductive cells

• fertilization

• diploid

• meiosis

• crossing over

exchange of chromosomal segments between a pair of homologous

• fertilization

• diploid

• meiosis

• crossing over

science of heredity

• genetics

• allele

• dominant

• recessive

alternative form that a single gene may have for a particular trait

• genetics

• allele

• dominant

• recessive