Which is TRUE about a chromosome?

The DNA has a double – helical structure forming a twisted ladder. The backbone and steps of the ladder is composed of individual nucleotides bonded together. What important biological compounds that make up the backbone of the DNA molecule?

Which of the following BEST describes a gene?

Bases in a DNA are complementary. Which is true of its complementary base if there are 35 Thymine in the DNA strand?

A heterozygous allele shows a phenotype that is intermediate of the two homozygous phenotypes being crossed. Neither allele is dominant over the other. Which Non-Mendelian pattern of inheritance is referred to?

It is a non-Mendelian trait that results to blended colors of flowers of some plants.

Which term will correctly complete the following sentence?  When the genotype of a flowering plant for petal color is RW, it is also said to be __________ pink flower.

What is the complimentary base pair for the DNA strand below. 

CAGTCCATG

Tan colored birds are the result of the cross between a white (W) and a brown (B) colored birds. If the off springs are 50% tan and 50% white, what are the genotypes of their parents?

What is the probability that cross between a red cow (RR) and a roan cow (RW) will  have an offspring that is white?