Genetics and Meiosis

Meiosis produces what type of cells?

• somatic cells

• liver cells

• gametes

• nerve cells

If a frog has a diploid (2N) cell with 26 chromosomes, how many chromosomes are in the gametes?

• 26

• 52

• 13

• 6

What process is shown in the picture to the right?

• Crossing over

• Non-disjunction

• Independent assortment

• Anaphase

Which of the following increases genetic variation in meiosis?

• crossing over

• zygote formation

• dominant alleles

• mitosis

Humans contain two copies of each chromosome. They are the same size and shape, and contain the same gene sequence. What are these copies called?

• Homologous Chromosomes

• Chromatin

• Mitosis

• All of the above

A fertilized egg is called a/an

• Ova

• Zygote

• Embryo

• Polar Body

The observed trait that appears in an organism is called the organism's ______.

• allele

• genotype

• phenotype

• karyotype

Which of the following is an example of a heterozygous genotype?

• TT

• tt

• Th

• Tt

Which of the following is an example of a homozygous recessive genotype?

• TT

• tt

• TH

• Tt

Which of the following is an example of a homozygous dominant genotype?

• TT

• tt

• TH

• Tt