glucose 2 ATP Pathway A if no oxygen present 2 рyruvate Fermentation #13? end product end product 2 acetyl CoA type 1 type 2 Pathway B if no oxygen present if oxygen present Electron Transport Chain Electron Transport Chain - final electron acceptor? - end products? - final electron acceptor? - end products?

Which number accurately represents a chromatid? Number one or number two?

The model shows the process of meiosis.   Use the model to describe how genetic continuity is preserved through meiosis.   A. Cell 7 shows different colored chromosomes than Cell 8. When meiosis is a part of reproduction, none of the offspring will have similar DNA.   B. Cell 2 shows twice as many chromosomes as Cell 3. When meiosis is a part of reproduction, the offspring inherits twice as much DNA as its parent.   C. Cell 6 shows different colored chromatids than Cell 1. When meiosis is a part of reproduction, the offspring's DNA will be entirely different from the parent's DNA.   D. Cell 5 shows half the number of chromatids present in Cell 1. When meiosis is a part of reproduction, half of the offspring's DNA will come from each parent.

Given that the first division of the zygote divides the embryo into the future right and left halves of the butterfly, complete a hypothesis that explains how nondisjunction during the first mitosis might have produced this unusual-looking butterfly. Match the terms In the left column to the approprlate blanks In the sentences on the right. Not all terms will be used. Reset Help female The zygote has the genotype. If nondisjunction occurs during the first mitosis the left cell will have the genotype and develops to the half. The right half. daughter cell will have the genotype and develops to the XXXX XX male XXX XY

In animals, meiosis of germ cells produces gametes. Some plant cells also undergo meiosis, but the resulting cells are not gametes. Explain what the products of plant meiosis are, what they develop into, and how plants produce gametes.

Which structures shown above are typically haploid? lect one: A. Plant spores and animal zygotes B. Plant spores and animal gametes C. Plant zygotes and animal zygotes D. Plant gametes and animal zygotes Use the following information to answer the next question. Life Cycle of a Typical Animal Life Cycle of a Typical Plant Male Gametes Female Zygote Male Gametes Female Spores Zygote

The tight connection between two sister chromatids that is present in the centromere region is not broken until which phase in meiosis?   a) anaphase of meiosis II   b) anaphase of meiosis I   c) prophase of meiosis II   d) prophase of meiosis I   e) metaphase of meiosis II   f) metaphase of meiosis I

Genetics Give the F1 genotypes of  GgXHXh    and      GgXhY

A species is diploid containing three chromosome pairs.  Draw what the chromosomes would look like in the following phases of the cell cycle. a. G1     b. G2

A diploid organism has 18 chromosomes in its skin cells. Which of the following correctly describe the ploidy of this organism? Select one: a. All gametes contain nine pairs of chromosomes. b. All autosomal cells contain nine chromosomes. c. 2n = 36 and n = 18 d. 2n = 18 and n = 9