Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Chapter 7, Problem 6QP
Summary Introduction
To determine: The major pathways of normal male sexual development from fertilization and include the stages in which genetic sex, gonadal sex, and
Introduction: Humans reproduce by sexual reproduction. The fusion of male gametes and female gametes gives rise to a zygote. Gonads are the organs where the male and the female gametes are produced. The male gametes are produced with the help of male sex hormones called androgens and the female gametes are produced with the help of female sex hormones called estrogens. The process of production of the zygote is called fertilization.
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1. Describe, from fertilization, the major pathways of normal male sex development. Include the stages in which genetic sex, gonadal sex and phenotypic sex are determined.
5. During creating male contraceptives, what steps in fertilization might be possible to block to produce contraceptives in males.? answer quickly
9.Which among the following choices lists the three phases of the ovarian cycle in the correct order?(This is a multiple choice question choose the answer from the choices below)
A.follicular; ovulation; luteal
B.luteal; secretory; ovulation
C.follicular; proliferative; secretory
D.luteal; ovulation; secretory
Chapter 7 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 7.6 - Prob. 1EGCh. 7.6 - Prob. 2EGCh. 7 - As outlined in this chapter, sex can be defined at...Ch. 7 - As outlined in this chapter, sex can be defined at...Ch. 7 - Prob. 1QPCh. 7 - The Human Reproductive System Discuss and compare...Ch. 7 - Prob. 3QPCh. 7 - A Survey of Human Development from Fertilization...Ch. 7 - Prob. 5QPCh. 7 - Prob. 6QP
Ch. 7 - Prob. 7QPCh. 7 - How Is Sex Determined? The absence of a Y...Ch. 7 - Prob. 9QPCh. 7 - Mutations Can Uncouple Chromosomal Sex from...Ch. 7 - Prob. 11QPCh. 7 - Mutations Can Uncouple chromosomal Sex from...Ch. 7 - Prob. 13QPCh. 7 - Sex-Influenced and Sex-Limited Traits What method...Ch. 7 - Prob. 15QPCh. 7 - Prob. 16QPCh. 7 - Equalizing the Expression of X Chromosome Genes in...Ch. 7 - Equalizing the Expression of X Chromosome Genes in...Ch. 7 - Equalizing the Expression of X Chromosome Genes in...
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- What is the function of the epididymis? sperm maturation and storage produces the bulk of seminal fluid provides nitric oxide needed for erections spermatogenesisarrow_forwardWhen do the oogonia undergo mitosis? before birth. at puberty at the beginning of each menstrual cycle during fertilizationarrow_forwardTrace the passage of sperm cells through the human male reproductive system from their origin in the seminiferous tubules to their expulsion from the body in the semen; include a description of spermatogenesis.arrow_forward
- Sperm must first complete ________ to enable the fertilization of an oocyte. capacitation the aerosomal reaction the cortical reaction the fast blockarrow_forwardWhat are male gametes called? ova sperm testes testosteronearrow_forwardWhy do estrogen levels fall after menopause? The ovaries degrade. There are no follicles left to produce estrogen. The pituitary secretes a menopause-specific hormone. The cells of the endometrium degenerate.arrow_forward
- 4. Predict the effect on the endometrium of maintaining high progesterone levels in the circulatory system, including the time during which estrogen normally increases following menstruation. Include the references in apa 7th stylearrow_forward1. Cite differences between frog and chicken ovary. Cite the differences of spermatogenesis on frog and chicken.arrow_forward16.In what order do sperm move through the structures of the female reproductive tract? (This is a multiple choice question choose the answer from the choices below) A.vagina; uterus; oviduct; ovary B.vagina; cervix; uterus; oviduct C.endometrium; cervix; uterus; oviduct D.ovary; oviduct; uterus; vaginaarrow_forward
- 3. What is the role of the Arbacia fertilizin in the fertilization of an ovum? 4. What prevents sea-urchin from developing parthenogenetically under normal conditions?arrow_forward6.Which of the following lists the structures of the male reproductive tract in the proper order from sperm production to ejaculation? (This is a multiple choice question choose the answer from the choices below) A.vas deferens; epididymis; seminal vesicles; ejaculatory duct; urethra B.seminal vesicles; vas deferens; prostate; urethra; ejaculatory duct C.seminiferous tubules; epididymis; vas deferens; ejaculatory duct; urethra D.seminal vesicles; vas deferens; urethra; prostate; ejaculatory ductarrow_forwardMatch each structure with its description. ____ testis a. conveys sperm out of body ____ epididymis b. secretes semen components ____ labia majora c. stores sperm ____ urethra d. enclosed by scrotum ____ vagina e. releases oocyte during ovulation ____ ovary f. usual site of fertilization ____ oviduct g. lining of uterus ____ prostate gland h. fat-padded skin folds ____ endometrium i. birth canalarrow_forward
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