Genetics vocab

A fertilized egg, a diploid cell resulting from the fusion of two haploid gametes is a __________________.

• gamete

• somatic cell

• zygote

• fetus

A sex cell is called a ______ and is a _________ cell.

• gamete, diploid

• gamete, haploid

• zygote, diploid

• zygote, haploid

Who is called the "Father of Genetics" and studied pea plants?

• Reginald Punnett

• Robert Hooke

• Albert Schleiden

• Gregor Mendel

A different version of a gene which affects the expression of a particular trait is a(n) __________________.

• chromosome

• chromatid

• allele

• DNA

Homozygous means _______________________.

• The alleles are the same.

• The alleles are different.

• The trait is a pure bred trait.

• Both A and C.

Heterozygous means

• the alleles are same.

• the alleles are different.

• the trait is a hybrid.

• Both b and c.

What trait is observed in the 1st generation when parents that have different traits are bred?

• Dominant

• Recessive

This trait can mask another trait.

• Dominant

• Recessive

This trait can reappear in the 2nd generation after disappearing in the 1st when parents with different traits are bred.

• Dominant

• Recessive

This allele is written as a lowercase letter.

• Dominant

• Recessive