Biology 2nd Sem Final Review

__________ is the study of heredity.

What is the sequence of DNA that codes for a protein and thus determines a trait factor that is passed from a parent to offspring?

• allele

• gene

• homozygous

• phenotype

What are specific characteristics of an individual?

• trait

• heterozygous

• dominant

• recessive

What are the different versions of a trait called?

• gamete

• diploid

• homozygous

• Allele

Is a recessive trait expressed or not expressed?

• expressed

• not expressed

Is a dominant trait expressed or not expressed?

• expressed

• not expressed

What has 2 identical alleles for a particular gene?

• homozygous

• heterozygous

• genotype

• phenotype

What has 2 different alleles for a particular gene?

• homozygous

• heterozygous

• genotype

• phenotype

What is the genetic make-up represented by numbers?

• phenotype

• genetics

• gametes

• genotype

What is the physical appearance of an individual?

• phenotype

• genotype

• heredity

• chromosomes