A dog has 39 chromosomes. Which of these statements correctly compares the number of chromosomes in a body cell with that in a sex cell of a dog?

True or false: In anaphase, there is the pinching off or cleaving of the cell into two new cells.

True or false: In telophase, the chromosomes line up towards the center, or equator of the cell.

What did Gregor Mendel contribute to Science?

Which of these characteristics cannot be inherited?

Which of these characteristics can be inherited?

Which of these is true about how traits can be expressed?

What is a homologous pair?

The green sea turtle is a species of turtles. Which group will the green sea turtle reproduce with?

True or false: Genes are made up of tightly wound DNA. Chromosomes are made up of one or more genes.

True or false: DNA is a double-helix structure found in the nucleus. Chromosomes straighten the DNA so the code can be read by the genes.

True or false: Genes are long, tightly wound strands of DNA.

True or false: Sex cells have one set of chromosomes.

How many chromosomes are in a sex cell?

How many chromosomes are in a body cell?

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