Genetics and Heredity Review (Lesson 5)

Front

How many alleles does a child inherit from each parent for each trait?

Back

1 allele from each parent.

Front

What process leads to the formation of 2 identical daughter cells?

Back

Mitosis.

Tags

NGSS.HS-LS1-4

Front

When an organism has one of each type of allele, which trait is expressed in the phenotype?

Back

The dominant trait.

Front

What percentage of offspring will be homozygous recessive for a trait if both parents are heterozygous?

Back

0%.

Tags

NGSS.HS-LS3-2

Front

What occurs when multiple genes determine the phenotype of a trait?

Back

Polygenic inheritance.

Front

What is the term for the genetic makeup of an organism?

Back

Genotype.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

Front

What is the observable physical characteristic of an organism called?

Back

Phenotype.

Tags

NGSS.HS-LS4-4

Front

What is the term for an allele that masks the effect of another allele?

Back

Dominant allele.

Front

What is the term for an allele that is masked by a dominant allele?

Back

Recessive allele.

Front

What is the process of cell division that reduces the chromosome number by half?

Back

Meiosis.