Genetics Test Review (Gen)

Define Alleles

• Molecule which contains the genetic information for an organism.

• Different versions of the same gene.

• all the chromosomes/DNA that code for an individual’s traits.

• Condensed DNA that is visible during cell division.

Tags

NGSS.HS-LS3-2

Define Gene

• Condensed DNA that is visible during cell division.

• Different versions of the same gene.

• A section of DNA that codes for specific proteins/traits.

• Molecule which contains the genetic information for an organism.

Tags

NGSS.HS-LS3-2

Tt is an example of...

• Homozygous Dominant

• Heterozygous

• Homozygous Recessive

Which option below best describes polygenic inheritance?

• More than one set of genes contributing to the phenotype

• A blending of genes getting an intermediate phenotype

• A phenotype that has more than 2 possible alleles for a gene

A white rose and a red rose produce a pink rose, which type of inheritance does this show?

• incomplete dominance

• codominance

• Multiple alleles

• Polygenic inheritance

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

How many alleles (letters) do each person carry for a trait?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is homozygous dominant?

• Yy
• Y
• yy
• YY

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

• offspring
• parent
• gene
• trait

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

When two identical alleles for a trait are in an organism, the organism is said to be ____________?

• Heterozygous
• Homozygous
• allele
• resseive