Genetics Pre-Assessment

What is an allele?

• A trait

• Different forms of a gene

• DNA

• Different types of parents

Tags

NGSS.HS-LS3-2

In a Punnett square each box represents a(n)....

• offspring

• parent

• gene

• trait

Tags

NGSS.HS-LS3-2

An allele whose trait shows up in the organism whenever the allele is present is said to be __________.

• dominant

• present

• recessive

• hidden

Tags

NGSS.HS-LS3-1

__________ alleles only show their effect if the individual has two copies of the allele.

• dominant

• present

• recessive

• hidden

Which of the following genotypes is homozygous dominant?

• A

• Aa

• AA

• aa

What is the term for alternate forms of a gene.

• alleles

• traits

• phenotypes

• chromosomes

Tags

NGSS.HS-LS3-2

Who discovered the rules of inheritance by studying pea plants? He is known as the Father of Genetics.

• Charles Darwin

• James Watson

• Erwin Chargaff

• Gregor Mendel

Organisms with two different alleles for a particular trait are said to be _____.

• homozygous

• heterozygous

Organisms with two identical alleles for a particular trait are said to be _____

• homozygous

• heterozygous

_____ is the genetic makeup of an organism.

• homozygous

• genotype

• allele

• phenotype

Tags

NGSS.HS-LS3-2