Biology-Lama Torky

What two parts of a nucleotide do not change throughout the structure of DNA?

• Five-Carbon Sugar and Phosphate Group

• Phosphate Group and Nitrogenous Base

• Nitrogenous Group and Phosphate Base

What type of inheritance do two alleles have if their traits blend together?

• incomplete dominance

• co-dominance

• dominant

• recessive

The characteristics of a trait that is showing is ...

• recessive

• heterozygouse

• dominant

• phenotype

What determines the code, or information, of a DNA molecule?

• the color of the nitrogenous bases

• the shape (structure) of the nitrogenous bases

• the size of the nitrogenous bases

• the order (sequence) of the nitrogen basesv

What percentage of the female offspring will be a carrier for this recessive disease?

• 25%

• 75%

• 50%

• 100%

How many pairs of sex chromosomes do humans have?

• 23

• 46

• 1

• 2

Is this genotype homozygous or heterozygous? HH

• dominant

• homozygous

• heterozygous

• homozygous recessive

Talia has type O+ blood. Mike is a Universal Recipient.

• false

• true

Which model of base pairing is correct?

• A=T G=C

• A=G T=C

• G=T A=C

• A+T C+G

What is the genotype for females?

• XX

• XY

• XXX

• XXY