Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

problem 1) A cell in the basal layer of the skin contains 46 chromosomes and divides by mitosis to produce new skin cells. After ten successive divisions, how many chromosomes will the basal cell have? 

problem 2) Choose the most appropriate word to complete the sentence.

When chromosomes replicate, they produce ……...

tissues, nuclei, chromatids, somatic cells

problem 3) In which three of the following cells is mitosis unlikely to occur?

a sperm cell, an epithelial cell of a villus, a hair cell, a cell in the red bone marrow, a red blood cell, a lymphocyte, a cell in the basal layer of the skin

problem 4) An animal has 36 chromosomes in each of its body cells. How many of these chromosomes came from its male parent?

problem 5) Fill in the missing words.

The ….. A …..  of a cell contains a fixed number of chromosomes. Before mitosis, each chromosome ….. B ….. to produce two ….. C …...

problem 6) Give two exs in each case of organs or tissues in which you would expect

(a) meiosis, (b) mitosis to be taking place.

problem 7) A fruit fly has four pairs of chromosomes in its cells. At meiosis, how many different combinations of maternal and paternal chromosomes are possible in the gametes?

problem 8) From the list below, choose the most suitable words to complete the sentence.

Mutations are changes which occur in a ….. A …..or a ….. B …... If a mutation occurs in a cell which is going to form a ….. C ….., the mutation may affect the whole ….. D ….. which develops. Down's syndrome results from a ….. E ….. mutation In the ….. F….. Sickle cell anaemia results from a ….. G ….. mutation which affects ….. H ….. of the blood system.

cells, gene, gamete, chromosome, nucleus, ovum, organism

problem 9) Exposure to ….. A ….., …..  B ….. or ….. C ….. may increase the rate of mutation Suggest words or phrases for A - C

problem 10) What kinds of mutation in disease-causing bacteria might make them more dangerous?

Biology, Academics

  • Category:- Biology
  • Reference No.:- M95197

Have any Question? 


Related Questions in Biology

Dolly dolly and more dollyit all started with a sheep named

Dolly, Dolly, and More Dolly It all started with a sheep named Dolly. In the mid-1990s, scientists proved convincingly that after decades of trying, we could, indeed, clone mammals - and even possibly, human beings. Unsu ...

Discussion topicolder people die for a number of reasons

Discussion Topic Older people die for a number of reasons: cancer, heart failure, complications due to diabetes, stroke, Alzheimer's, etc. Often times, the way we live our lives affect not only how long we live but what ...

For this assignment you will select 4 fermented foods to

For this assignment, you will select 4 fermented foods to include in a full course dinner menu. Not every dish in the menu needs to be fermented, but 4 fermented products have to be included. The menu should have an appe ...

What does precautionary principle mean how would you apply

What does precautionary Principle mean. How would you apply the concept of the Precautionary Principle to the unrestricted allowance of endocrine disrupters in consumer products?

How do energy and nutrients move through ecosystems

How do energy and nutrients move through ecosystems? Indicate whether each is recycled. Define trophic levels and explain their involvement/role in energy movement.

Identify and give functions of the organs and structures of

Identify and give functions of the organs and structures of the urinary system.

1 how does triclosan affect fertilization2 what are human

1. How does triclosan affect fertilization? 2. What are human generated sources of triclosan in the ocean?

What is the probability of a cross resulting in white

What is the probability of a cross resulting in white offspring when two heterozygous purple pea plants (e.g. Pp x Pp) are bred? What is the genotype for this offspring?

Bioethics assignment instructionstopic 1 use of gmo

Bioethics assignment instructions: Topic 1: Use of GMO crops Now you need to research the topic and write a 500-1000 word (1 to 2 pages) writeup about the topic. Please use the following list of topics as a guideline to ...

1 mediterranean climates like those in central california

1. Mediterranean Climates, like those in Central California, experience extremely hot and dry summers and relatively cool and moist winters. Relate the soil-water balance to the growth strategies of plants in this region ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro