Genetics

Homozygous is when...

• the alleles are the same
• the alleles are different
• the alleles are absent
• the alleles are present

Heterozygous is when...

• the alleles are the same
• the alleles are different
• the alleles are absent
• the alleles are present

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt
• Tt
• Bb
• TT

B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 

• 0%
• 25%
• 50%
• 75%

an organism that has inherited a recessive allele for a genetic trait or mutation but does not display that trait or show symptoms of the disease.

• carrier

• heredity

• phenotype

• purebred

Which term(s) best describes the inheritance of human blood types?

• incomplete dominance and multiple alleles

• codominance and epistasis

• codominance and multiple alleles

• incomplete dominance and codominance

Which sex chromosomes would indicate a typical human male?

• XX
• X
• XY
• XXY

A normal human zygote should have _____ chromosomes inside.

• 46

• 23

• 92

• 64

What is the gender of the individual whose karyotype is seen in the image?

• Male
• Female

Based on the karyotype, what is the sex of this baby?

• Male

• Female