Chapter 28 Question 1 1 out of 1 points A pregnancy test involves antibodies that detect GH levels in a woman’s blood or urine. Selected Answer: False Answers: True False Question 2 1 out of 1 points Sperm move to the uterine tube through uterine contractions and the energy of their own flagella. What other factor is involved in sperm movement? Selected Answer: reverse peristalsis of the uterus and uterine tubes
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Mitosis results in body cells: the formation of an adult organism from a fertilized egg‚ regeneration‚ asexual reproduction‚ and maintenance or repair of body parts. All of this happens through mitotic cell division. Meiosis results in formation of gametes (in animals) or spores (in plants). Their cells have half the chromosome number of the parent cell. Meristems are
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monogamous. Like many animals‚ female turtles are capable of storing sperm inside of them for extended periods‚ and it is necessary for some turtle species in order to ensure fertilization. In most turtle species‚ gamete maturation does not occur at the same time of the year; male gametes typically mature in the fall‚ and the female ovulation typically occurs in the spring time (1). Sperm storage allows females to be inseminated in the fall‚ hibernate for winter‚ and then successfully produce a cloth
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crossed with another black guinea pig‚ 7 black and 5 albinos are obtained. Explain this genetic outcome by writing out the genotypes for the parents‚ gametes‚ and offspring in both crosses. First Cross: The fact that all F1 offspring are black suggests that the parents of the first cross were genotype BB x bb (where B=black and b=albino). The gametes produced by the black parent would have carried the B allele‚ while those produced by the albino parent carried the b allele. The F1 offspring of such
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Biology: Unit 1: Diversity Of Life Fungi Fungi: are multi-cellular heterotrophs that use external digestion‚ and often grow out of sight‚ underground → fungi have nothing in common with plants other then the fact that they are stationary‚ and grow in the ground. They are not photosynthetic‚ and they do not produce their own food. Characteristics/ Cell Structure: * Mesh like bodies‚ composed of branching networks of filaments called mycelium * Mycelium: a branched mass of hyphae
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COVENANT UNIVERSITY DEPARTMENT OF BIOLOGICAL SCIENCES NAME: OBUEKWE CHUKWUEMEKA AZUBUIKE MAT NO: 12CQ014230 PROGRAMME: MICROBIOLOGY COURSE TITLE:CLINICAL PARASITOLOGY CODE: BLY 225 TOPIC: DESCRIPTION OF THE BIOLOGY AND LIFE CYCLE OF PLASMODIUM INTRODUCTION Plasmodium‚ a genus of parasitic protozoans of the sporozoan subclass Coccidia that are the causative organisms of malaria. Plasmodium‚ which infects red blood cells in mammals (including humans)‚ birds‚ and reptiles
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multiplication to calculate the chance of inheriting particular alleles. Mendel’s Laws and Meiosis Today’s knowledge of meiosis supports Mendel’s laws of inheritance. The laws revolve around the idea that the homologous chromosomes segregate‚ each gamete receiving one set‚ and that the segregation of one pair is independent of others. 10.2 Beyond Mendel’s Laws Incomplete Dominance
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“responsible” to both the parents chromosome contributions. The mother could achieve nondisjunction anywhere throughout meiosis to achieve the double XX chromosome in one of the final egg gametes. The father if had nondisjunction in the final division could end up with two XX chromosomes in the final sperm gamete at the end of meiosis. 7. a. The probability that their boy will be will not have SCID is 0% because there is a 100% chance he will have it. This Punnett square shows that if a baby
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How do muscles move the skeleton? Contract How may possible gametes with A/A? one What process is blocked by operons/prokaryotes? Transcription What is the least involved in translation? DNA In the picture of muscle contraction‚ know what bands decrease in size and which ones stay the same. When the muscle contracts the sarcomere gets smaller and the area between myosin filaments. What are the net products of glycolysis? ATP‚ NADH‚ Pyruvic Acid What are the net products of cellular respiration
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restriction of breeding within populations and it seems to contribute through the establishment of unilateral barriers between self-incompatibility and self compatible populations. Male sterility on the other hand is characterized by non-functional gametes; caused by chromosomal aberration‚ genes action‚ etc Two phenomena plays important roles in plant breeding; as plant breeders are often interested in modifying the breeding system in crop plants in order to substitute ether permanently or temporarily
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