Genetics Review for LC2

A Punnett square is a ​ (a)   that allows you to easily determine the expected ​ (b)   of different ​ (c)   in the ​ (d)   of two parents. An example of a Punnett square for pea plants is shown here. In this example, both parents are ​ (e)   for flower color (Pp).

• chart
• percentage
• genotypes
• offspring
• heterozygous

What term describes what you see, or the physical appearance.

• Genotype
• Phenotype
• Homozygous
• Heterozygous

Tt is-

• homozygous dominant
• homozygous recessive
• heterozygous
• none of these

Which of the following describes how the genes are described?

• genotype
• phenotype

Which of the following shows homozygous alleles?

• Ww
• ww

Which describes a genotype with two identical alleles for a trait, such as PP?

• heterozygous
• homozygous

Which is a heterozygous or hybrid genotype?

• Bb
• BB
• bb

How many chromosomes are in a human egg cell and passed down from a mother to her child?

• 23
• 46
• 92

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

One form of a gene is called_______________

• a DNA
• a Phenotype
• a trait
• an allele