Biology Test Review

In the case of ear wax (wet is dominant), which of the following allele combination would cause someone to have dry ear wax.

• A dominant allele from mother and a dominant allele from dad

• A recessive allele from mother and a recessive allele from dad

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If the original strand of DNA is ACT TTC ACA, what will be the complementary strand?

• TGA AAG TGT

• ACT TTC ACA

How many pairs of autosome do humans have?

• 22

• 44

If the original DNA sequence is CGA AAT, what will the mRNA strand be?

• GCT AAT

• CGU UUC

__________ means to have 2 identical alleles for a particular gene (Ex. AA, aa). Mark only one oval.

• homozygous

• heterozygous

__________ means to have 2 different alleles for a particular gene (Ex. Aa)

• heterozygous

• homozygous

Segments of DNA that code for a specific protein are know as:

• Gametes

• Genes

Tags

NGSS.HS-LS3-1

X-linked recessive traits (like color-blindness) show up most often in:

• Males

• They are evenly distributed between male and female.

All the genes in an organism (the blue print) is referred to as the:

• traits

• genome

______ are expressed features that are coded for in our genes.

• Traits

• Proteins

Tags

NGSS.HS-LS3-1