Genetics Science Vocab quiz review

Which tool is used to predict the possible outcomes of a genetic cross?

• DNA sequencing

• Punnett square

• PCR machine

• Microscope

Answer explanation

when trying to predict offspring the chart with 4 squares is called a punnett square.

Tags

NGSS.HS-LS3-3

Gene

• The physical appearance of the allele combination the offspring receives
• The chemical compound found in the nucleus of each cell; the genetic code for all of your traits 
• A section of DNA that codes for a trait 
• A combination of two alleles that are the same.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Homozygous

• The genetic combination of alleles the offspring receives.  (The letters that make-up the genetic code for a trait)
• A combination of two alleles that are different from one another.
• A type of gene that can be hidden 
• A combination of two alleles that are the same.

Tags

NGSS.HS-LS3-1

Dominant

• A section of DNA that codes for a trait 
• A type of gene that always shows itself when present
• A combination of two alleles that are different from one another
• the genetic code for all of your traits 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Phenotype

• A combination of two alleles that are different 
• A combination of two alleles that are the same
• The physical appearance of the allele combination the offspring receives
• A type of gene that can be hidden 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Allele

• the genetic code for all of your traits 
• A type of gene that can be hidden
• A type of gene that always shows itself when present
• Different forms of a gene

Tags

NGSS.HS-LS3-2

Which of the following is an example of a HOMOZYGOUS genotype?

• Bb
• bb

Which of the following is an example of a HETEROZYGOUS genotype?

• Bb
• BB

Which of the following is an example of a DOMINANT allele

• B
• b

Which of the following is an example of a RECESSIVE allele?

• H
• h