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In Arabidopsis (the plant Dr. Marella studies), cells of the sporophyte have 10 chromosomes within each...
Question 42 2 pts In onions (Allium), cells of the sporophyte have 16 chromosomes within each nucleus. Enter the number of chromosomes present in each of the following onion tissues. How many chromosomes should be in an endosperm nucleus? (enter number only) How many chromosomes should be in an embryo nucleus? (enter number only) How many chromosomes should be in a pollen tube cell nucleus? (enter number only)
An organism's somatic cells have 6 chromosomes within the nucleus. How many chromosomes are present in that organism's germ cells? 03 Oo O 12 O we don't have any way of knowing
A cell with 10 chromosomes undergoes Meiosis. How many daughter cells are formed? How many chromosomes are in each daughter cell? A cell with 10 chromosomes undergoes Meiosis. How many daughter cells are formed? How many chromosomes are in each daughter cell? 0 2,10 0 2,5 0 4,10 0 4,5
Mature flower on sporophyte plant Generative cell Tube cell Ovule w Pollen grains Megasporangium Megaspore Antipodal cells Central cell Synergids Egg Nucleus of - developing endosperm Zygote Egg nucleus Discharged sperm nuclei Identify the indicated structures in the pine life cycle. Indicate what parts of the cycle are haploid or diploid. Label the two processes taking place in the yellow boxes, and show
1. A cell has 26 chromosomes. How many chromosomes will its gamete have? Which cell is called diploid and which one is haploid? 2. A plant has 42 chromosomes. Due to a problem its gametes did not undergo meiosis and they directly fused. The resulting offspring has _________ chromosomes. It now yields a bigger variety of fruits. This is called ______________. 3. Alligators have 32 chromosomes. Their skin cell will undergo _____________. After cell division __________ number of cells will...
Question 33 The daughter cells that result from mitosis are genetically identical. o have half as many chromosomes as the parent cell. o have twice as many chromosomes as the parent cell. have only one member of each homologous pair. have twice as many sister chromatids as the parent cell. Dro If mitosis occurs without cytokinesis what will be the end result? cells lacking nuclei. cell cycles lacking an Sphase. e destruction of chromosomes. cells with more than one nucleus....
Alligators have 32 chromosomes in somatic cells. (a) How many homologous pairs of chromosomes OD (b) How many chromosomes are there in a haploid set? (c) How many chromosomes are present in a somatic cell just after mitosis? (d) How many double-stranded DNA molecules are there in a somatic cell just before mitosis?
Check Your Understanding 3.1 1 What are chromosomes made of? number 2 How many chromosomes are in a human somatic cell? 46 chromosomes 3 The term used to refer to this full complement of chromosomes is the 4 How many chromosomes are in human gametes? 5 This is referred to as the number 6 Wa chicken's skin cell has 78 chromosomes, how many chromosomes would the chicken's sperm cell have? 7 How can we distinguish the 23 types of chromosomes...
Cats are diploid organisms that have 38 chromosomes in their somatic cells during G1 phase. Based on this information, answer the following questions about the cell cycle of a cat's somatic cell: a) How many DNA double helix molecules are present in a somatic cell of a cat during G1 phase? Explain your answer. b) How many total DNA double helix molecules are present in a somatic cell of a cat during G2 phase? Explain your answer. c) Describe what...
Cats have 38 chromosomes in their somatic cells and use the Lygaeus mode of sex determination. How many chromosomes does a cat receive from its father? How many autosomes are present in a cat gamete? How many sex chromosomes are there in a cat sperm? d. How many autosomes are there in a somatic cell of a female cat? e. If a diploid cell contains 12 chromosomes, how many potentially genetically distinct gametes can be formed?