Genetics Quiz

How many chromosomes does a normal human have?

Having two identical alleles for a given gene.

What is composed of nucleotide's?

What is trisomy?

Purple flowers are dominant (P). White flowers are recessive (p). What is the phenotype of "pp"?

Round eye shape is dominant (R). Oval eye shape is recessive (r). What trait will be expressed in "Rr"?

Traits represented by a lowercase letter (b).

Traits represented by a capital letter (B).

What is a fertilized egg called?

Who is Gregor Mendel ?

What's an example of a dominant trait?

What is a way to predict offspring?

In 4 o'clock flowers, R=Red, and W=White. What is the genotype of homozygous red and homozygous white?

In 4 o'clock flowers, R=Red, and W=White. What is the phenotype of homozygous red and homozygous white?

If a mother carries type homozygous A blood and a father carries heterozygous type B blood what percentage of the offspring will have type A blood?