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

In hiring a prospective employee there are legitimate

In hiring a prospective employee, there are legitimate reasons for not hiring someone. For example, the prospective employee may not meet legal requirements (i.e., he or she is a minor and cannot complete the tasks of th ...

Even the most intelligent manager is prone to personal

Even the most intelligent manager is prone to personal biases and pitfalls that can lead to bad decisions. We all carry biases based on our personal experiences. And we can all fall into various traps that lead to decisi ...

Please read instructions carefully 4-5 body page paper must

PLEASE READ INSTRUCTIONS CAREFULLY: 4-5 body page paper, must include a title and reference page, CITE PROPERLY,  I run all papers through turnitin website before i accept them which means you paper can only have 10-15% ...

Looking for assistance with the below information regarding

Looking for assistance with the below information regarding alternatives to landfills. References are needed. Alternatives to Landfills The use of sanitary landfills for burial of municipal solid wastes has been the prim ...

Biology assignmenteffects on the environmentnote online

Biology Assignment "Effects on the Environment" Note: Online students, please respond to one of the following four bulleted items. • Discuss three positive and three negative impacts of humans on the biosphere. Which pos ...

If we maintain a strict biological definition of species h

If we maintain a strict biological definition of "species", H. Sapiens and H. Neanderthalensis were NOT seperate species as they successfully interbred. What impact might this information have on assigning a date to the ...

In anotherchapter you will learn of evidence that primates

In anotherchapter, you will learn of evidence that primates, especially fossil species in the Hominin group that apparently led to our currentHomo sapiens sapiensspecies identity. Many of the fossils of pre-human species ...

In an experimental template having perfectly placed 5

In an experimental template having perfectly placed 5 nucleosomes there is a single EcoR1 site buried near dyad axis of the 3rd nucleosome. Is it possible for a modeller to make this site accessible without disturbing an ...

Parents were concerned about their 16-year-old son for the

Parents were concerned about their 16-year-old son for the following reasons: he had no deepening of his voice, scanty pubic and axillary hair growth, absence of beard and mustache growth, small penis, poor muscular deve ...

Freckles f and six fingers s are dominant alleles in humans

Freckles (F) and six fingers (S) are dominant alleles in humans and the genes occur on different chromosomes. If an FfSs male and an FfSs female have a WHOLE BUNCH of kids, Here are the expected ratios below. 9: freckles ...

  • 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

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

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen