Genetics - G2

A dominant trait is a trait that is present even if there is only one allele.

• True

• False

Dominant traits are always more common in a popualtion.

• True

• False

The gene that is hidden unless both genes are present.

• dominant

• recessive

• homozygous

• heterozygous

What did Gregor Mendel study?

• Mold Spores

• Pea Plants

• Sun Flowers

• Rats

Which of the following genotypes is homozygous dominant?

• Bb

• dd

• G

• RR

Which of the following genotypes would be considered homozygous recessive?

• RR

• Bb

• dd

• g

Physical descriptions such as hair color, eye color, height are known as an organisms ___________.

• phenotype

• genotype

The same gene can come in different versions, the different versions of a gene are called:

• Alleles

• Chromosomes

• Traits

Another word for heterozygous is

• purebred

• hybrid

• dominant

• recessive

Which of the following would produce a recessive phenotype?

• hh

• Rr

• Ww

• BB