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FrozenT [24]
3 years ago
6

What does it mean when a biologist uses the term crossing-over? why is crossing over a good thing?

Biology
1 answer:
igor_vitrenko [27]3 years ago
8 0
It refers to dna and chromosomes
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Why are shape, weight, mass, size,<br> and texture NOT considered properties?
goldenfox [79]

Answer:

Density is an intensive property. This means that regardless of the object's shape, size, or quantity, the density of that substance will always be the same. ... It is because density in an intensive property of matter. So they are not considered properties.

Explanation:

8 0
3 years ago
Crawfish are shelled organisms that live in shallow freshwater rivers. They can have antennae of different lengths. Two parents
vredina [299]

The phenotype of antenna in crawfish depends on the protein amount in the antenna length. The offspring have different phenotype than their parent because of the amount of protein translated from each parent gene is determining in this.

The gene determines the amount of protein to be present in the antenna to determine its length.

Explanation:

Data given:

Two crawfish parent = medium length antennae, genotyoe Ll

One offspring = short antenna, genotype ll

one offspring = long antennae, genotype LL

The traits in offspring is shown as:

       L    l

L   LL    Ll

l   Ll     ll

The proportion of allele present in the gene determined the length of the antenna in crawfish.

The difference in length of the antenna in crawfish is due to the amount of protein for the phenotype present in the individual. The amount of protein to be expressed in the crawfish is given by both the parents. The tendency of protein expresed define the phenotype of antenna length.

6 0
3 years ago
Imagine that you are a marine biologist and you notice that a certain type of crab tends to be considerably smaller in a local b
NNADVOKAT [17]

Answer:

go to google then look it up

Explanation:

See how annoying this is? If you're going to answer someone's question, give an actual answer.

7 0
3 years ago
Read 2 more answers
What does it mean when scientists say that all living organisms are part of a universal genrtic code
damaskus [11]
We all have the same genetic makeup. DNA
5 0
3 years ago
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Why is it useful to have lots of capillaries inside each of the villi? (villi are things on the inner surface of the small intes
Lisa [10]
This is probably to increase blood supply in the intestines. Blood is a transporter of digested food materials.
5 0
3 years ago
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