Genetics 1

Who was the scientist who worked with pea plants to discover the basics of genetics?

• Gregor Mendel

• Jean Baptist Lamarak

• James Crick

• Tom Brady

If a parent is said to be Homozygous Dominate, then the genotype is...

• TT
• Tt
• tt
• tT

Which type of cell division makes 4 gametes?

• Mitosis
• Meiosis 
• Cell Respiration
• Cell Differentiation 

The external appearance of a person is called their--

• Genotype
• Phenotype
• Dominant
• Recessive

How many chromosomes are in a human muscle cell?

• 46
• 23

How many chromosomes are in a human reproductive cell?

• 46

• 23

In a dihybrid cross

• one trait is crossed.
• two traits are crossed.
• four boxes are needed for the punnett square.
• mom's alleles are dominant.

What is the pair of sex chromosomes in Males?

• Y

• X

• XY

• XX

The physical appearance or the way a gene looks is known as it's....

• genotype
• allele
• gene
• phenotype

What is the pair of sex chromosomes in females?

• Y

• X

• XY

• XX