Biology

Polydactyly is expressed when an individual has extra fingers and/or toes. Assume that a man with ...

Started by wenmo

Name the single individual whose work in the mid-1800s contributed to our understanding of the ...

Started by jc611

True or False: An organism with a haploid number of 10 will produce 1024 combinations of chromosomes ...

Started by Engineer

True or False: A bivalent at pachytene contains four chromatids.

Started by magmichele12

True or False: If a typical G1 nucleus contains 2C (two complements) of DNA, a gamete that is ...

Started by tth

True or False: The centromere of a chromosome separates during anaphase.

Started by corkyiscool3328

True or False: If a typical G1 nucleus is 2n and contains 2C (two complements) of DNA, a prophase I ...

Started by Haya94

There is about as much nuclear DNA in a primary spermatocyte as in ________ (how many) spermatids?

Started by D2AR0N

Down syndrome, or trisomy 21, in humans is caused by an extra copy of the relatively small, ...

Started by Alainaaa8

Drosophila melanogaster, the fruit fly, has a 2n chromosome number of 8. Assume that you are ...

Started by karen

Normal diploid somatic (body) cells of the mosquito Culex pipiens contain six chromosomes. Assign ...

Started by vicky

Trisomy 21 or Down syndrome occurs when there is a normal diploid chromosomal complement of 46 ...

Started by yoooooman

List in order of occurrence the phases of mitosis.

Started by rosent76

Name two evolutionarily significant benefits of meiosis that are not present in mitosis.

Started by audragclark

You may have heard through various media of an animal alleged to be the hybrid of a rabbit and a ...

Started by luvbio

The accompanying sketch depicts a cell from an organism in which 2n = 2 and each chromosome is ...

Started by pepyto

After which meiotic stage (meiosis I or II) would one expect monads to be formed?

Started by cnetterville

The house fly, Musca domestica, has a haploid chromosome number of 6. How many chromatids should be ...

Started by Pineappleeh

In which stage of the cell cycle is G0 located?

Started by ap345

How many haploid sets of chromosomes are present in a diploid individual cell with a chromosome ...

Started by londonang

List four terms used to describe the normal morphologies, with respect to arm ratio, of eukaryotic ...

Started by RODY.ELKHALIL

Which type of cell structure is the nucleolus organizer (NOR) responsible for producing?

Started by asan beg

In a healthy male, how many sperm cells would be expected to form from (a) 400 primary ...

Started by natalie2426

An interesting group of ants consists of several virtually identical, closely related species, with ...

Started by s.tung

The ant Myrmecia pilosula is found in Australia and is named bulldog because of its aggressive ...

Started by panfilo